Lock body for intelligent coded lock of rail train

Abstract

The utility model relates to the technical field of rail transit, in particular to a lock body for an intelligent coded lock of a rail train. The panel is located on the side portion, the bottom plate and the cover plate are clamped on the two sides of the panel, and an opening matched with an inclined spring bolt and a square spring bolt is formed in the panel; a linkage mechanism is arranged in a cavity where the bottom plate and the cover plate are located, and the linkage mechanism comprises a transmission assembly, a control assembly and a locking assembly. According to the utility model, the internal structure of the lock body is improved, and the vertical action of the door handle corresponds to the door opening and closing operation, so that the operation is simplified, the safety and the operation convenience are improved, the application requirements of the rail train cab are met, and the normal work under extreme conditions is ensured; and meanwhile, the system is matched with a corresponding intelligent coded lock for use, so that the requirement of the high-speed rail train on intelligent management is met.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a lock body for an intelligent password lock of a rail train. Background Art

[0002] With the rapid development of the global rail transit field, modern high-speed rail and EMUs have put forward more stringent safety and convenience standards for door lock systems in operation. Especially during the high-speed operation of the train, ensuring the safety and reliability of the driver's cab door lock to prevent any potential risks has become a key link that cannot be ignored. At present, the door lock systems widely used in rail trains are mostly traditional mechanical types. Although their structure is simple, they show certain limitations in terms of operational convenience and safety performance. In view of these challenges, industry experts and technicians are actively exploring innovative ways to break through technical bottlenecks. For example, a new clutch lock body design shown in Chinese patent CN212656676U is built into the lock body through a sophisticated clutch mechanism, which effectively reduces wear and improves the convenience of use and long-term stability. However, even so, the solution still faces the problem of cumbersome operation or reliability needs to be further improved in emergency situations, and fails to fully adapt to the trend of the high-speed rail industry's transformation to intelligence and automation.

[0003] With the continuous advancement of high-speed rail technology, the requirements for door lock systems are no longer limited to basic safety and functional realization, but pay more attention to its rapid response capability in emergency situations and seamless integration with the train intelligent management system. Therefore, how to develop a door lock solution that is both efficient and reliable as well as intelligent and convenient to meet the new needs of modern high-speed rail operations has become an important issue that needs to be solved urgently. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a lock body for a railway train intelligent password lock.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A lock body for a railway train intelligent password lock comprises a panel located at a side, and a bottom plate and a cover plate clamped on both sides of the panel, the panel is provided with an opening matched with an oblique lock tongue and a square lock tongue; a linkage mechanism is arranged in the cavity where the bottom plate and the cover plate are located, and the linkage mechanism comprises a transmission component, a control component and a locking component, wherein:

[0007] Transmission components are respectively connected to the handles and are used to transmit the power of the handles;

[0008] The control component is connected to the transmission component and the locking component respectively, and is used to control the extension and retraction of the oblique lock tongue and the square lock tongue, and ensure that the lock body can automatically reset after unlocking;

[0009] The locking component is arranged on the pin column of the bottom plate and is used to prevent the diagonal lock tongue and the square lock tongue from retracting. When the transmission component and the control component act, the lock tongue is allowed to retract.

[0010] Through the coordinated work of the transmission component, the control component and the locking component, this technical solution realizes the complete process from power input to lock tongue control, not only improving the intelligent level of the lock body, but also enhancing its safety and reliability. Specifically, the transmission component converts the rotational motion into a linear motion through a transmission mechanism to achieve the effective transmission and conversion of power. The control component receives the power signal from the transmission component and controls the action of the locking component according to successful password verification and correct rotation of the key; to ensure that the lock body can automatically return to the initial state after unlocking, the control component includes mechanical structures such as a return spring and a return gear; the locking component directly acts on the diagonal lock tongue and the square lock tongue through structures such as a pin column to prevent them from retracting, thereby maintaining the locked state of the lock body; when the transmission component and the control component receive the correct unlocking signal, the locking component releases the lock tongue and allows it to retract to achieve unlocking; to improve the safety of the lock body, the locking component adopts a locking plate to increase the safety of unlocking; due to the complex operating environment of the rail train, the locking component needs to have good wear resistance, corrosion resistance and other properties to ensure the stability and reliability of long-term use.

[0011] In addition, the lock body for the intelligent password lock of the rail train according to the above-mentioned present utility model further has the following additional technical features:

[0012] According to an embodiment of the present utility model, a connecting plate is arranged between the openings of the panel, and connecting blocks are arranged on both sides of the openings; a protrusion is arranged on the connecting plate for connecting with the bottom plate and the cover plate; threaded holes are arranged on the connecting blocks for using screws to connect the bottom plate, the cover plate and the panel into a whole.

[0013] In this technical solution, the connection between the bottom plate, the cover plate and the panel provides a positioning reference, ensuring that the components of the lock body can be accurately aligned during assembly and avoiding assembly problems caused by position deviation; the threaded holes on the connecting blocks allow the use of fasteners such as screws to firmly connect the bottom plate, the cover plate and the panel together, and can withstand various forces and vibrations that the lock body may encounter during use; the protrusions on the connecting plate are of specific shapes and sizes to form an interlock with the bottom plate and the cover plate, not only enhancing the firmness of the connection, but also preventing relative movement and loosening between the components; through simple actions such as insertion and rotation, the quick connection between the connecting plate and the bottom plate and the cover plate can be realized, improving the assembly efficiency; the screws tightly connect the bottom plate, the cover plate and the panel together through the threaded holes on the connecting blocks to form an integral structure, not only ensuring the tightness between the components of the lock body, but also helping to improve the sealing performance of the lock body and preventing external factors such as dust and moisture from invading the interior of the lock body.

[0014] According to an embodiment of the present utility model, the bottom plate is arranged in a long rectangle shape, and a plurality of pin posts are arranged on the inner side thereof. The pin posts are used to fix the cover plate and the linkage mechanism.

[0015] In this technical solution, the pin posts fix and position the cover plate and the linkage mechanism. By improving the position and size of the pin posts, the accurate installation and positioning of these components on the bottom plate are ensured, which not only improves the connection strength between the components but also guarantees the stability of the entire structure. The connection of the pin posts is usually simpler and faster. Through simple insertion and locking actions, a firm connection between the components can be achieved, thereby improving the assembly efficiency and reducing the assembly cost. When the cover plate or the linkage mechanism is subjected to an external force, it is transmitted to the bottom plate through the pin posts. Since the pin posts are evenly distributed on the inner side of the bottom plate, the phenomenon of stress concentration is dispersed, which helps to extend the service life of the components and improve the durability of the entire structure.

[0016] According to an embodiment of the present utility model, the inclined locking tongue is sequentially provided with an inclined tongue, a locking tongue rod, a support plate, and a slider from front to back. The inclined locking tongue passes through the opening of the panel. The support plate is aligned with two rectangular holes on the bottom plate, and the slider is introduced into the long strip-shaped opening on the bottom plate. A spring is sleeved on the locking tongue rod between the inclined tongue and the support plate, and a transmission component is connected to the locking tongue rod between the support plate and the slider.

[0017] In this technical solution, the movement of the inclined tongue is transmitted to the support plate and the slider through the locking tongue rod, thereby realizing the locking or unlocking of the lock body. The spring is sleeved on the locking tongue rod between the inclined tongue and the support plate, and its main function is to provide a reset force. When the external force releases the locking of the inclined tongue, the elastic force of the spring will make the inclined tongue automatically reset to the initial position, thereby keeping the lock body in the closed state. The design of aligning the support plate with the rectangular holes on the bottom plate ensures the precise positioning of the support plate inside the lock body, which not only improves the structural strength of the lock body but also guarantees the smoothness and accuracy of the locking tongue during movement. The slider is introduced into the long strip-shaped opening on the bottom plate, and this design plays a role of guiding and limiting. The long strip-shaped opening provides a clear path and direction for the movement of the slider, ensuring the stability and controllability of the slider during movement. The end of the opening also serves as a limiting device for the slider to prevent it from moving excessively and damaging the lock body. The transmission component between the slider and the locking tongue rod realizes the power transmission between the slider and the inclined locking tongue.

[0018] According to an embodiment of the present utility model, the square locking tongue includes a square tongue and a sliding plate. The sliding plate is provided with a groove and a window opening. The groove on the sliding plate is sleeved on the pin post on the bottom plate and placed flat. The torsion spring Ⅰ is sleeved on the pin post on the bottom plate, one end of which is aligned with the torsion spring Ⅱ on the bottom plate, and one end is inserted into the window opening on the sliding plate, so that the sliding plate has a driving force during the up and down movement.

[0019] In this technical solution, the torsion spring I is sleeved on the pin column of the bottom plate. One end of it is aligned with the torsion spring II on the bottom plate, and the other end is inserted into the opening window on the sliding plate, so that the torsion spring I can generate a restoring force, that is, a driving force, when being compressed or stretched; when the sliding plate moves up and down, the deformation of the torsion spring II will change, thereby generating a force to push or pull the sliding plate.

[0020] According to an embodiment of the present invention, the transmission assembly is located between the diagonal locking tongue and the square locking tongue, and is successively sleeved with a rotor, a dial I, a positioning plate I, a rotating plate, a positioning plate II and a dial II, wherein: a circular boss is arranged on the rotor for aligning with the circular opening on the bottom plate to adjust the square hole in the middle of the rotor to a proper position; a section of free travel is formed in the hexagonal holes in the middle of the dial I and the dial II to ensure that only when the sliding plate is lifted and disengaged from the square locking tongue, can it drive the square locking tongue and the diagonal locking tongue to retract into the lock body.

[0021] In this technical solution, the circular boss arranged on the rotor is aligned with the circular opening on the bottom plate to ensure the precise positioning of the rotor in the transmission assembly. By adjusting the position of the rotor, the square hole in the middle of it is aligned with a specific component or path, so as to achieve the precise transmission of power; the cooperation between the circular boss and the circular opening also enhances the stability of the rotor during the transmission process, preventing deviation or loosening caused by vibration or external force; a structure with a section of free travel is formed in the hexagonal holes in the middle of the dial I and the dial II to realize the detection and response to the position of the sliding plate; only when the sliding plate is lifted and disengaged from the square locking tongue, can the dial contact the sliding plate or related components through its free travel part, and then drive the square locking tongue and the diagonal locking tongue to retract into the lock body, ensuring that the lock body is unlocked under the correct time and conditions; when the sliding plate is not lifted or not disengaged from the square locking tongue, the dial cannot contact the sliding plate or related components, thus avoiding the unlocking of the lock body caused by misoperation.

[0022] According to an embodiment of the present invention, the control assembly includes a lower connecting rod and an upper connecting rod, wherein: the circular rivet column on the rotating plate is sleeved into the gourd-shaped hole of the square locking tongue, the round hole of the lower connecting rod is sleeved into the pin column on the bottom plate to adjust the square locking tongue to a proper position, and the long oval notch at the tail end of the square locking tongue is sleeved into the pin column on the bottom plate; the protrusion at the end of the upper connecting rod is sleeved into the round hole at the lower end of the dial II, the pin column is passed through the notch of the upper connecting rod and fixed to the round hole on the square locking tongue, the diagonal tongue baffle is placed, and the cover plate is fixed to the bottom plate by screws.

[0023] In this technical solution, the gourd-shaped hole has a dual function of guiding and positioning, enabling the circular rivet post to be inserted smoothly and accurately and maintaining a stable connection during subsequent operations; the cooperation between the circular rivet post and the gourd-shaped hole also enhances the structural strength of the connection part, preventing loosening or breakage caused by external forces; the pin post, as the connection point, not only restricts the movement of the lower connecting rod in the horizontal direction but also provides a supporting force in the vertical direction to ensure the stability of the control component on the bottom plate; by adjusting the square lock tongue to a suitable position and sleeving the long oval notch at its tail end into the pin post on the bottom plate, further fixation and positioning of the square lock tongue are achieved; the protrusion at the end of the upper connecting rod is sleeved into the round hole at the lower end of the paddle II to achieve the transmission connection between the upper connecting rod and the paddle II; when the paddle II is externally operated, its power is transmitted to other components through the upper connecting rod to achieve the locking or unlocking function of the lock body; by passing the pin post through the notch of the upper connecting rod and fixing it into the round hole on the square lock tongue, the connection strength and stability between the upper connecting rod and the square lock tongue are enhanced; the inclined tongue baffle is used to limit the movement range of the inclined lock tongue.

[0024] According to an embodiment of the present invention, the inclined tongue baffle adjusts its position to switch the rotation direction of the inclined lock tongue, thereby switching between the left and right lock modes.

[0025] In this technical solution, the inclined tongue baffle changes the rotation path and direction of the inclined lock tongue by adjusting its position, thereby realizing the switching of the lock body mode to ensure that the inclined tongue baffle can move smoothly and form a good cooperation with the inclined lock tongue during the adjustment process.

[0026] According to an embodiment of the present invention, the locking assembly includes a locking plate fixed to the pin post on the bottom plate, where:

[0027] Pressing down the handle drives the rotor to rotate, driving the positioning plate I and the positioning plate II to rotate. The two platforms passing through the center line of the circle are provided at both ends of the positioning plate I and the positioning plate II. The two platforms lift the two hooks at the top of the sliding plate, causing the sliding plate to move upward and disengage from the square lock tongue; when the positioning plate I and the positioning plate II drive the circular rivet post on the rotating plate to rotate, the lower connecting rod and the upper connecting rod are driven to move, and the locking plate drives the square lock tongue to retract into the lock body;

[0028] Lifting up the handle drives the rotor to rotate, driving the positioning plate I and the positioning plate II to rotate. The two platforms passing through the center line of the circle are provided at both ends of the positioning plate I and the positioning plate II. The two platforms lift the two hooks at the top of the sliding plate, causing the sliding plate to move upward and disengage from the square lock tongue; when the positioning plate I and the positioning plate II drive the circular rivet post on the rotating plate to rotate, the lower connecting rod and the upper connecting rod are driven to move, and the locking plate drives the square lock tongue to extend out of the lock body.

[0029] In this technical solution, two platforms passing through the center line of the circle are provided at both ends of the positioning plate I and the positioning plate II. During the rotation process, the two platforms can lift the two claw hooks at the top of the slide plate, converting the rotational motion of the rotor into the linear motion of the slide plate, and realizing the separation or contact between the slide plate and the square locking tongue. When the slide plate moves upward, it separates from the square locking tongue, allowing the square locking tongue to retract or extend into the lock body under the drive of the locking plate. When the slide plate moves downward, it comes into contact with the square locking tongue again to achieve the locked state. From the rotor to the positioning plate, then to the slide plate, the rotating plate, the lower connecting rod, the upper connecting rod, and finally to the locking plate and the square locking tongue, the entire transmission process reflects continuity and coordination. The locking plate is fixed on the pin column of the bottom plate, providing a stable support point for the entire locking assembly to ensure the smooth progress of the locking and unlocking processes.

[0030] According to an embodiment of the present invention, after the lock body is inserted with the lock core and the key, by rotating the lock core, the convex part at the lower part of the upper connecting rod is driven to lift, driving the lower connecting rod and the flap II connected thereto to act. The upper connecting rod is connected to the square locking tongue, driving the inclined locking tongue and the square locking tongue to lock back into the lock body.

[0031] In this technical solution, the convex design at the lower part of the upper connecting rod is to cooperate with the internal mechanical structure of the lock core to ensure that the upper connecting rod can be accurately lifted when the lock core rotates. After the upper connecting rod is lifted, it is connected to the lower connecting rod and the flap II through its structural design to achieve continuous power transmission. The upper connecting rod may play the role of a lever, magnifying the acting force on the lower connecting rod and the flap II through its small movement. When the flap II is driven by the upper connecting rod to move, it will directly act on the locking tongue. Integrating functions such as the rotation of the key, the drive of the lock core, the linkage between the upper connecting rod and the lower connecting rod, and the drive between the flap II and the locking tongue forms a complete locking and unlocking system, which not only improves the reliability and durability of the lock, but also makes it more convenient for users to use the lock.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] By improving the internal structure of the lock body, the up and down movements of the door handle correspond to the door opening and closing operations, thereby simplifying the operation, enhancing safety and operation convenience, meeting the application requirements of the cab of the rail train, and ensuring normal operation under extreme conditions. At the same time, it is used in cooperation with the corresponding intelligent password lock to meet the requirements of high-speed rail trains for intelligent management. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is one of the perspective views of the present invention.

[0035] Figure 2 is the second perspective view of the present invention.

[0036] Figure 3 is the structural schematic diagram of the panel.

[0037] Figure 4 It is a schematic structural diagram of the bottom plate.

[0038] Figure 5 It is a schematic structural diagram of the diagonal locking tongue.

[0039] Figure 6 It is a schematic structural diagram of the square locking tongue.

[0040] Figure 7 It is one of the schematic internal structural diagrams of the present utility model.

[0041] Figure 8 It is the second of the schematic internal structural diagrams of the present utility model.

[0042] Figure 9 It is a schematic diagram of the state when the square locking tongue extends.

[0043] Figure 10 It is a schematic diagram of the state when the square locking tongue retracts.

[0044] In the figure: 1, panel; 2, bottom plate; 21, pin column; 3, cover plate; 4, diagonal locking tongue; 41, diagonal tongue; 42, locking tongue rod; 43, support plate; 44, slider; 5, square locking tongue; 51, square tongue; 52, slide plate; 6, rotor; 7, paddle I; 8, positioning plate I; 9, rotating plate; 10, positioning plate II; 11, paddle II; 12, locking plate; 13, torsion spring I; 14, torsion spring II; 15, lower connecting rod; 16, upper connecting rod; 17, retaining piece. Detailed implementation manners

[0045] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0046] Embodiment 1

[0047] As Figure 1 and Figure 2 shown, this embodiment provides a lock body for an intelligent password lock of a rail train, including a panel 1 located on the side, and a bottom plate 2 and a cover plate 3 clamped on both sides of the panel 1. An opening is provided on the panel 1 and is matched with the diagonal locking tongue 4 and the square locking tongue 5; a linkage mechanism is arranged in the cavity where the bottom plate 2 and the cover plate 3 are located. The linkage mechanism includes a transmission component, a control component, and a locking component, wherein:

[0048] The transmission component is respectively connected to the handle and is used to transmit the power of the handle;

[0049] A control component, which is respectively connected to the transmission component and the locking component, is used to control the extension and retraction of the diagonal locking tongue 4 and the square locking tongue 5, and ensure that the lock body can automatically reset after unlocking;

[0050] A locking component, which is arranged on the pin 21 of the bottom plate 2, is used to prevent the square locking tongue 5 of the locking tongue from retracting, and allows the locking tongue to retract when the transmission component and the control component act.

[0051] Through the coordinated work of the transmission component, the control component and the locking component, this technical solution realizes the complete process from power input to locking tongue control, not only improving the intelligent level of the lock body, but also enhancing its safety and reliability. Specifically, the transmission component converts the rotational motion into a linear motion through a transmission mechanism to achieve the effective transmission and conversion of power. The control component receives the power signal from the transmission component and controls the action of the locking component according to the successful password verification and the correct rotation of the key; to ensure that the lock body can automatically return to the initial state after unlocking, the control component includes mechanical structures such as a return spring and a return gear; the locking component directly acts on the diagonal locking tongue 4 and the square locking tongue 5 through structures such as the pin 21 to prevent them from retracting, thereby maintaining the locked state of the lock body; when the transmission component and the control component receive the correct unlocking signal, the locking component will release the locking tongue and allow it to retract to achieve unlocking; to improve the safety of the lock body, the locking component uses a locking plate 12 to increase the safety of unlocking; due to the complex operating environment of the rail train, the locking component needs to have good wear resistance, corrosion resistance and other properties to ensure the stability and reliability of long-term use.

[0052] In addition, the lock body for the intelligent password lock of the rail train according to the above-mentioned present utility model further has the following additional technical features:

[0053] As Figure 3 shown, a connecting plate is arranged between the openings of the panel 1, and connecting blocks are arranged on both sides of the openings; protrusions are arranged on the connecting plate for connecting with the bottom plate 2 and the cover plate 3; threaded holes are arranged on the connecting blocks for screwing the bottom plate 2, the cover plate 3 and the panel 1 into one body.

[0054] In this technical solution, the connection between the bottom plate 2, the cover plate 3, and the panel 1 provides a positioning reference to ensure that the components of the lock body can be accurately aligned during assembly, avoiding assembly problems caused by position deviation; the threaded holes on the connecting block allow the use of fasteners such as screws to firmly connect the bottom plate 2, the cover plate 3, and the panel 1 together, enabling them to withstand various forces and vibrations that the lock body may encounter during use; the protrusions on the connecting plate are of a specific shape and size to form an interlock with the bottom plate 2 and the cover plate 3, not only enhancing the firmness of the connection but also preventing relative movement and loosening between the components; through simple actions such as insertion and rotation, the quick connection between the connecting plate and the bottom plate 2 and the cover plate 3 can be achieved, improving the assembly efficiency; the screws tightly connect the bottom plate 2, the cover plate 3, and the panel 1 together through the threaded holes on the connecting block to form an integral structure, which not only ensures the tightness between the components of the lock body but also helps to improve the sealing performance of the lock body, preventing external factors such as dust and moisture from invading the interior of the lock body.

[0055] As Figure 4 shown, the bottom plate 2 is arranged in a long rectangular shape, and several pin posts 21 are arranged on its inner side. The pin posts 21 are used to fix the cover plate 3 and the linkage mechanism.

[0056] In this technical solution, the pin posts 21 fix and position the cover plate 3 and the linkage mechanism. By improving the position and size of the pin posts 21, the accurate installation and positioning of these components on the bottom plate 2 are ensured, not only enhancing the connection strength between the components but also guaranteeing the stability of the entire structure; the connection of the pin posts 21 is usually simpler and faster. Through simple insertion and locking actions, a firm connection between the components can be achieved, thereby improving the assembly efficiency and reducing the assembly cost; when the cover plate 3 or the linkage mechanism is subjected to an external force, it is transmitted to the bottom plate 2 through the pin posts 21. Since the pin posts 21 are evenly distributed on the inner side of the bottom plate 2, the stress concentration phenomenon is dispersed, which helps to extend the service life of the components and improve the durability of the entire structure.

[0057] As Figure 5 shown, the inclined bolt 4 is successively provided with an inclined tongue 41, a bolt rod 42, a support plate 43, and a slider 44 from front to back; the inclined bolt 4 passes through the opening of the panel 1, the support plate is aligned with two rectangular holes on the bottom plate 2, and the slider 44 is introduced into the long strip-shaped opening on the bottom plate 2; a spring is sleeved on the bolt rod 42 between the inclined tongue 41 and the support plate 43, and a transmission component is connected to the bolt rod 42 between the support plate and the slider 44.

[0058] In this technical solution, the movement of the inclined tongue 41 is transmitted to the support plate 43 and the slider 44 through the locking tongue rod 42, thereby realizing the locking or unlocking of the lock body. A spring is sleeved on the locking tongue rod 42 between the inclined tongue 41 and the support plate 43. Its main function is to provide a reset force. When the external force releases the locking of the inclined tongue 41, the elastic force of the spring will automatically reset the inclined tongue 41 to its initial position, thus maintaining the closed state of the lock body. The support plate is designed to be aligned with the rectangular hole on the bottom plate 2 to ensure the precise positioning of the support plate inside the lock body, which not only improves the structural strength of the lock body but also ensures the smoothness and accuracy of the locking tongue during movement. The slider 44 is introduced into the long strip-shaped opening on the bottom plate 2, and this design plays a role in guiding and limiting. The long strip-shaped opening provides a clear path and direction for the movement of the slider 44, ensuring the stability and controllability of the slider 44 during movement. The end of the opening also serves as a limiting device for the slider 44 to prevent it from moving excessively and damaging the lock body. The transmission component between the slider 44 and the locking tongue rod 42 realizes the power transmission between the slider 44 and the inclined locking tongue 4.

[0059] As Figure 6 shown, the square locking tongue 5 includes a square tongue 51 and a sliding plate 52. Grooves and openings are provided on the sliding plate 52. The groove on the sliding plate 52 is sleeved on the pin 21 on the bottom plate 2 and placed flat. The torsion spring I 13 is sleeved on the pin 21 of the bottom plate 2, making one end of it aligned with the torsion spring II 14 on the bottom plate 2, and one end inserted into the opening on the sliding plate 52, so that the sliding plate 52 has a driving force during the up and down movement.

[0060] In this technical solution, the torsion spring I 13 is sleeved on the pin 21 of the bottom plate 2. One end of it is aligned with the torsion spring II 14 on the bottom plate 2, and the other end is inserted into the opening on the sliding plate 52, so that the torsion spring I 13 can generate a restoring force, that is, a driving force, when being compressed or stretched. When the sliding plate 52 moves up and down, the deformation of the torsion spring II 14 will change, thereby generating a force to push or pull the sliding plate 52.

[0061] As Figures 7 to 10 shown, the transmission component is located between the inclined locking tongue 4 and the square locking tongue 5, and a rotor 6, a paddle I 7, a positioning plate I 8, a rotating plate 9, a positioning plate II 10, and a paddle II 11 are sequentially sleeved. Among them: a circular boss is provided on the rotor 6 for aligning with the circular opening on the bottom plate 2 to adjust the square hole in the middle of the rotor 6 to a suitable position. A section of free travel is provided in the hexagonal holes in the middle of the paddle I 7 and the paddle II 11 to ensure that only when the sliding plate 52 is lifted and separated from the square locking tongue 5, it can drive the square locking tongue 5 and the inclined locking tongue 4 to retract into the lock body.

[0062] In this technical solution, the circular boss provided on the rotor 6 is aligned with the circular opening on the bottom plate 2 to ensure the precise positioning of the rotor 6 in the transmission assembly. By adjusting the position of the rotor 6, the square hole in the middle is aligned with a specific component or path, thereby achieving the precise transmission of power. The cooperation between the circular boss and the circular opening also enhances the stability of the rotor 6 during the transmission process, preventing offset or loosening caused by vibration or external forces. A structure formed by a section of free travel is provided in the hexagonal hole between the paddle I 7 and the paddle II 11 to detect and respond to the position of the slide plate 52. Only when the slide plate 52 is lifted and disengaged from the square locking tongue 5 can the paddle contact the slide plate 52 or related components through its free travel part, thereby driving the square locking tongue 5 and the inclined locking tongue 4 to retract into the lock body, ensuring that the lock body is unlocked at the correct time and conditions. When the slide plate 52 is not lifted or not disengaged from the square locking tongue 5, the paddle cannot contact the slide plate 52 or related components, thus avoiding the unlocking of the lock body due to misoperation.

[0063] As Figures 7 to 10 shown, the control assembly includes a lower connecting rod 15 and an upper connecting rod 16, where: the circular rivet post on the rotating plate 9 is inserted into the gourd-shaped hole of the square locking tongue 5, the circular hole of the lower connecting rod 15 is inserted into the pin post 21 on the bottom plate 2, the square locking tongue 5 is adjusted to a suitable position, and the long oval notch at the tail end of the square locking tongue 5 is inserted into the pin post 21 on the bottom plate 2. The protrusion at the end of the upper connecting rod 16 is inserted into the circular hole at the lower end of the paddle II 11, the pin post 21 is passed through the slot of the upper connecting rod 16 and fixed to the circular hole on the square locking tongue 5, the retaining plate 17 is placed, and the cover plate 3 and the bottom plate 2 are fixed by screws.

[0064] In this technical solution, the gourd-shaped hole has a dual function of guiding and positioning, enabling the circular rivet post to be inserted smoothly and accurately and maintaining a stable connection in subsequent operations. The cooperation between the circular rivet post and the gourd-shaped hole also enhances the structural strength of the connection part, preventing loosening or fracture caused by external forces. The pin post 21, as a connection point, not only restricts the horizontal movement of the lower connecting rod 15 but also provides a supporting force in the vertical direction to ensure the stability of the control assembly on the bottom plate 2. By adjusting the square locking tongue 5 to a suitable position and inserting the long oval notch at its tail end into the pin post 21 on the bottom plate 2, further fixation and positioning of the square locking tongue 5 are achieved. The protrusion at the end of the upper connecting rod 16 is inserted into the circular hole at the lower end of the paddle II 11 to achieve the transmission connection between the upper connecting rod 16 and the paddle II 11. When the paddle II 11 is externally operated, its power is transmitted to other components through the upper connecting rod 16 to achieve the locking or unlocking function of the lock body. By passing the pin post 21 through the slot of the upper connecting rod 16 and fixing it to the circular hole on the square locking tongue 5, the connection strength and stability between the upper connecting rod 16 and the square locking tongue 5 are enhanced. The retaining plate 17 is used to limit the movement range of the inclined locking tongue 4.

[0065] According to an embodiment of the present utility model, the retaining piece 17 adjusts its position to switch the rotation direction of the diagonal locking tongue 4, thereby switching between the left and right locking modes.

[0066] In this technical solution, the retaining piece 17 changes the rotation path and direction of the diagonal locking tongue 4 by adjusting its position, thereby realizing the switching of the lock body mode, ensuring that the retaining piece 17 can move smoothly during the adjustment process and form a good cooperation with the diagonal locking tongue 4.

[0067] According to an embodiment of the present utility model, the locking assembly includes a locking plate 12, and the locking plate 12 is fixed on the pin 21 of the bottom plate 2, wherein:

[0068] Pressing down the handle drives the rotor 6 to rotate, driving the positioning plate I 8 and the positioning plate II 10 to rotate. The two platforms passing through the center line of the circle are provided at both ends of the positioning plate I 8 and the positioning plate II 10. The two platforms lift the two claws at the top of the sliding plate 52, causing the sliding plate 52 to move upward and disengage from the square locking tongue 5; when the positioning plate I 8 and the positioning plate II 10 drive the circular rivet on the rotating plate 9 to rotate, the lower connecting rod 15 and the upper connecting rod 16 are driven to act, and the locking plate 12 drives the square locking tongue 5 to retract into the lock body;

[0069] Lifting up the handle drives the rotor 6 to rotate, driving the positioning plate I 8 and the positioning plate II 10 to rotate. The two platforms passing through the center line of the circle are provided at both ends of the positioning plate I 8 and the positioning plate II 10. The two platforms lift the two claws at the top of the sliding plate 52, causing the sliding plate 52 to move upward and disengage from the square locking tongue 5; when the positioning plate I 8 and the positioning plate II 10 drive the circular rivet on the rotating plate 9 to rotate, the lower connecting rod 15 and the upper connecting rod 16 are driven to act, and the locking plate 12 drives the square locking tongue 5 to extend out of the lock body.

[0070] In this technical solution, the two platforms passing through the center line of the circle provided at both ends of the positioning plate I 8 and the positioning plate II 10 can lift the two claws at the top of the sliding plate 52 during the rotation process, converting the rotational motion of the rotor 6 into the linear motion of the sliding plate 52, realizing the disengagement or contact between the sliding plate 52 and the square locking tongue 5; when the sliding plate 52 moves upward, it disengages from the square locking tongue 5, allowing the square locking tongue 5 to retract or extend out of the lock body under the drive of the locking plate 12; when the sliding plate 52 moves downward, it comes into contact with the square locking tongue 5 again to realize the locked state; from the rotor 6 to the positioning plate, then to the sliding plate 52, the rotating plate 9, the lower connecting rod 15, the upper connecting rod 16, and finally to the locking plate 12 and the square locking tongue 5, the entire transmission process reflects continuity and coordination; the locking plate 12 is fixed on the pin 21 of the bottom plate 2, providing a stable support point for the entire locking assembly, ensuring the smooth progress of the locking and unlocking processes.

[0071] According to an embodiment of the present utility model, after the lock body is inserted into the lock core and the key, by rotating the lock core, the lock core is driven to lift the protrusion at the lower part of the upper connecting rod 16, driving the lower connecting rod 15 and the paddle II 11 connected thereto to move. Among them, the upper connecting rod 16 is connected to the square lock tongue 5, driving the diagonal lock tongue 4 and the square lock tongue 5 to lock back into the lock body.

[0072] In this technical solution, the protrusion design at the lower part of the upper connecting rod 16 is to cooperate with the internal mechanical structure of the lock core to ensure that the upper connecting rod 16 can be accurately lifted when the lock core rotates; after the upper connecting rod 16 is lifted, it is connected to the lower connecting rod 15 and the paddle II 11 through its structural design to achieve continuous power transmission; the upper connecting rod 16 may play the role of a lever, amplifying the acting force on the lower connecting rod 15 and the paddle II 11 through its small movement; when the paddle II 11 is driven by the upper connecting rod 16 to move, it will directly act on the lock tongue; integrating functions such as the rotation of the key, the drive of the lock core, the linkage between the upper connecting rod 16 and the lower connecting rod 15, and the drive between the paddle II 11 and the lock tongue to form a complete locking and unlocking system, which not only improves the reliability and durability of the lock, but also enables users to use the lock more conveniently.

[0073] The usage process of the above embodiment is as follows:

[0074] Such as Figures 7 to 10As shown, when the user needs to perform an unlocking operation, the unlocking mechanism of the lock body is triggered by entering a password or using a key.If the password verification is successful or the key is correctly inserted and rotated, the mechanical structure inside the lock cylinder will be activated; the rotation of the lock cylinder drives the protruding part on its upper part, which is in close contact with the lower part of the upper connecting rod 16; as the lock cylinder rotates, the protruding part lifts the upper connecting rod 16, causing it to start moving; the movement of the upper connecting rod 16, through its structural design, forms an effective linkage mechanism with the lower connecting rod 15 and the paddle II 11, not only ensuring the continuous transmission of power, but also amplifying the acting force on the lower connecting rod 15 and the paddle II 11 through the lever effect; after being driven by the upper connecting rod 16, the paddle II 11 starts to move along a preset path, and this action directly acts on the lock tongue mechanism; at this time, the rotor 6 in the transmission component also starts to work; the user transmits the rotational movement to the rotor 6 by pressing down or lifting the handle; the circular boss provided on the rotor 6 is precisely aligned with the circular opening on the bottom plate 2 to ensure the stability and accuracy of the rotor 6 during the transmission process; the rotation of the rotor 6 further drives the rotation of the positioning plate I 8 and the positioning plate II 10; both ends of the positioning plate I 8 and the positioning plate II 10 are designed with two platforms passing through the center line of the circle, and these platforms can lift the two claws at the top of the slide plate 52 during the rotation process; when the claws are lifted, the slide plate 52 moves upward, disengaging from contact with the square lock tongue 5; this action releases the square lock tongue 5, enabling it to perform telescopic movement under the drive of the locking component; at the same time, the lower connecting rod 15 and the upper connecting rod 16 in the control component also move along with the action of the transmission component; the circular hole of the lower connecting rod 15 is sleeved into the pin 21 on the bottom plate 2 to ensure its stability in the horizontal direction; while the upper connecting rod 16 is connected to the paddle II 11 through the protrusion at its end to achieve linkage with the transmission component; as the paddle II 11 moves, the upper connecting rod 16 also drives the locking plate 12 connected to it to act; the locking plate 12, as a key component of the locking component, is fixed on the pin 21 of the bottom plate 2, providing a stable support for the entire locking and unlocking process; when the locking plate 12 is driven by the control component, it starts to act on the square lock tongue 5, causing it to retract or extend into the lock body; for the diagonal lock tongue 4, its movement is achieved through the coordinated action of components such as the lock tongue rod 42, the support plate 43, and the slider 44; the diagonal tongue 41 maintains a reset force under the action of the spring, and when the external force releases its locking, the diagonal tongue 41 will automatically reset to its initial position; during the entire unlocking process, the stop piece 17 also plays a key role; by adjusting the position of the stop piece 17, the rotation path and direction of the diagonal lock tongue 4 are changed, thereby realizing the switching of the lock body mode, not only improving the flexibility of the lock body, but also meeting the requirements of different application scenarios; finally, when the lock body is completely unlocked, both the diagonal lock tongue 4 and the square lock tongue 5 retract into the lock body, enabling the opening of the door body; and when the user needs to relock the door body, just operate the above process in reverse; the entire locking and unlocking process reflects the coordinated work and high integration between the transmission component, the control component, and the locking component, not only improving the intelligent level and security of the lock body, but also ensuring its stability and reliability during long-term use.

[0075] Although the present utility model has been described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the present utility model is not limited thereto. Without departing from the spirit and essence of the present utility model, those of ordinary skill in the art may make various equivalent modifications or substitutions to the embodiments of the present utility model, and all such modifications or substitutions should fall within the scope of the present utility model. / Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present utility model, and all should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the said claims.

Claims

1. A lock body for a railway train intelligent password lock, characterized in that: The invention comprises a panel (1) located at the side, and a bottom plate (2) and a cover plate (3) clamped on both sides of the panel (1); an opening matched with an oblique lock tongue (4) and a square lock tongue (5) is provided on the panel (1); a linkage mechanism is arranged in the cavity where the bottom plate (2) and the cover plate (3) are located, and the linkage mechanism comprises a transmission component, a control component and a locking component, wherein: Transmission components are respectively connected to the handles and are used to transmit the power of the handles; A control component is connected to the transmission component and the locking component respectively, and is used to control the extension and retraction of the oblique lock tongue (4) and the square lock tongue (5), and ensure that the lock body can automatically reset after unlocking; The locking assembly is arranged on a pin (21) of the bottom plate (2) and is used to prevent the lock tongue (5) from retracting. The lock tongue is allowed to retract when the transmission assembly and the control assembly are in action.

2. The lock body for the intelligent code lock for railway trains according to claim 1, characterized in that: A connecting plate is provided between the openings of the panel (1), and connecting blocks are provided on both sides of the openings; a protrusion is provided on the connecting plate for connecting with the bottom plate (2) and the cover plate (3); and a threaded hole is provided on the connecting block for screwing the bottom plate (2), the cover plate (3) and the panel (1) into one body.

3. The lock body for the intelligent code lock for railway trains according to claim 1, characterized in that: The bottom plate (2) is arranged in a long rectangular shape, and a plurality of pins (21) are arranged on the inner side thereof. The pins (21) are used to fix the cover plate (3) and the linkage mechanism.

4. The lock body for the intelligent code lock for railway trains according to claim 1, characterized in that: The oblique lock tongue (4) is provided with an oblique tongue (41), a lock tongue rod (42), a support plate (43) and a slide block (44) in sequence from front to back; the oblique lock tongue (4) passes through the opening of the panel (1), the support plate is aligned with two rectangular holes on the bottom plate (2), and the slide block (44) is introduced into the long strip opening on the bottom plate (2); a spring is sleeved on the lock tongue rod (42) between the oblique tongue (41) and the support plate (43), and a transmission assembly is connected to the lock tongue rod (42) between the support plate and the slide block (44).

5. The lock body for the intelligent code lock for railway trains according to claim 1, characterized in that: The square lock tongue (5) comprises a square tongue (51) and a slide plate (52), wherein the slide plate (52) is provided with a groove and a window; the groove on the slide plate (52) is inserted into the pin column (21) on the bottom plate (2) to be placed flat, and a torsion spring I (13) is inserted into the pin column (21) of the bottom plate (2) so that one end is aligned with the torsion spring II (14) on the bottom plate (2) and the other end is inserted into the window on the slide plate (52), so that the slide plate (52) has a driving force during the upward and downward movement.

6. The lock body for the railway train intelligent password lock according to claim 1, characterized in that: The transmission assembly is located between the oblique lock tongue (4) and the square lock tongue (5), and is provided with a rotor (6), a paddle I (7), a positioning plate I (8), a rotating plate (9), a positioning plate II (10) and a paddle II (11) in sequence, wherein: a circular boss is provided on the rotor (6) for aligning with the circular opening on the bottom plate (2) so that the square hole in the middle of the rotor (6) is adjusted to a suitable position; a section of idle travel is provided in the hexagonal hole in the middle of the paddle I (7) and the paddle II (11) for ensuring that the square lock tongue (5) and the oblique lock tongue (4) can be driven to retract into the lock body only when the slide plate (52) is lifted up and separated from the square lock tongue (5).

7. The lock body for the intelligent code lock for railway trains as claimed in claim 6, characterized in that: The control assembly comprises a lower connecting rod (15) and an upper connecting rod (16), wherein: a circular rivet column on a rotating plate (9) is inserted into a gourd-shaped hole of a square lock tongue (5), the circular hole of the lower connecting rod (15) is inserted into a pin column (21) on a bottom plate (2), the square lock tongue (5) is adjusted to a suitable position, and the oblong notch at the rear end of the square lock tongue (5) is inserted into the pin column (21) on the bottom plate (2); a protrusion at the end of the upper connecting rod (16) is inserted into a circular hole at the lower end of a paddle II (11), the pin column (21) is passed through the notch of the upper connecting rod (16), fixed to the circular hole on the square lock tongue (5), an oblique tongue (41) baffle (17) is placed, and the cover plate (3) and the bottom plate (2) are fixed by screws.

8. The lock body for the intelligent code lock for railway trains as claimed in claim 7, characterized in that: The position of the oblique tongue (41) blocking piece (17) is adjusted to switch the rotation direction of the oblique locking tongue (4), thereby switching the left and right locking modes.

9. The lock body for the intelligent code lock for railway trains as claimed in claim 7, characterized in that: The locking assembly comprises a locking plate (12), the locking plate (12) being fixed on a pin (21) of a bottom plate (2), wherein: The handle is pressed down to drive the rotor (6) to rotate, thereby driving the positioning plate I (8) and the positioning plate II (10) to rotate. Two platforms passing through the center line of the circle are provided at both ends of the positioning plate I (8) and the positioning plate II (10). The two platforms lift up the two hooks at the top of the slide plate (52), so that the slide plate (52) moves upward and disengages from the square lock tongue (5); when the positioning plate I (8) and the positioning plate II (10) drive the circular rivet column on the rotating plate (9) to rotate, the lower connecting rod (15) and the upper connecting rod (16) are driven to move, and the locking plate (12) drives the square lock tongue (5) to retract into the lock body; When the handle is lifted, the rotor (6) is driven to rotate, driving the positioning plate I (8) and the positioning plate II (10) to rotate. Two platforms passing through the center line of the circle are provided at both ends of the positioning plate I (8) and the positioning plate II (10). The two platforms lift up the two hook claws at the top of the slide plate (52), so that the slide plate (52) moves upward and disengages from the square lock tongue (5); when the positioning plate I (8) and the positioning plate II (10) drive the circular rivet column on the rotating plate (9) to rotate, the lower connecting rod (15) and the upper connecting rod (16) are driven to move, and the locking plate (12) drives the square lock tongue (5) to extend out of the lock body.

10. The lock body for the intelligent code lock for railway trains as claimed in claim 9, characterized in that: After the lock body is inserted into the lock core and the key, the lock core is rotated to drive the lock core to lift the protrusion at the bottom of the upper connecting rod (16), thereby driving the lower connecting rod (15) and the paddle II (11) connected thereto to move, wherein the upper connecting rod (16) is connected to the square lock tongue (5), driving the oblique lock tongue (4) and the square lock tongue (5) to be locked back into the lock body.

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