PLC communication compatible device
By designing a PLC communication compatibility device, the problem of communication differences between PLCs of different brands was solved, compatible connection and convenient maintenance of the interface were achieved, and the flexibility and scalability of the automation system were improved.
Patent Information
- Application Number
- CN202422627870.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-30
AI Technical Summary
PLCs produced by different manufacturers have differences in communication protocols, interface standards, data transmission formats, etc., which makes it difficult to achieve direct communication between PLCs of different brands, limiting the flexibility and scalability of the automation system.
A PLC communication compatible device is designed, which includes a mounting shell, a rotating tube, a rotating block and a wiring port. The compatible connection of different interfaces and convenient maintenance are achieved through the connecting mechanism and the limiting mechanism.
It achieves compatible connection between PLCs of different brands, improves the flexibility and scalability of the automation system, and facilitates the maintenance and repair of wiring ports.
Smart Images

Figure CN223334186U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PLC communication, in particular to a PLC communication compatible device. Background Art
[0002] In today's industrial automation landscape, programmable logic controllers (PLCs), as core control devices, are widely used in various production lines, automated equipment, and intelligent systems. However, differences in communication protocols, interface standards, and data transmission formats between PLCs from different manufacturers make direct communication difficult in practical applications, limiting the flexibility and scalability of automation systems. Utility Model Content
[0003] In view of the above problems existing in the existing PLC communication device, the present utility model is proposed.
[0004] Therefore, the purpose of the present utility model is to provide a PLC communication compatibility device, which solves the problem that in the prior art, PLCs produced by different manufacturers have differences in communication protocols, interface standards, data transmission formats, etc., which makes it difficult to achieve direct communication between PLCs of different brands in actual applications, limiting the flexibility and scalability of the automation system.
[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:
[0006] A PLC communication compatible device includes a PLC communication device and a mounting shell, wherein the mounting shell is arranged on one side of the PLC communication device, a rotating tube is provided on the inner side of the mounting shell, a rotating block is fixedly sleeved on the outer wall of the rotating tube, and a plurality of different wiring ports are fixedly provided on the side wall of the rotating block in an annular array, and the plurality of wiring ports are electrically connected to the PLC communication device through wires, a through slot is provided on the front side of the mounting shell, an opening is provided on the side of the mounting shell close to the PLC communication device, a cover plate is provided on the outer side of the opening, one end of the rotating tube is rotatably connected to the cover plate, a connecting mechanism is provided between both ends of the cover plate and the mounting shell, and the cover plate is fixedly connected to the mounting shell through the connecting mechanism, a fixed shell is fixedly provided on the inside of the side of the PLC communication device close to the mounting shell, and a limiting mechanism for limiting the rotation of the rotating block is provided inside the fixed shell.
[0007] Preferably, the connecting mechanism includes a U-shaped rod and a limit shell, the two limit shells are fixedly arranged at both ends of the cover plate, a slider is slidingly arranged inside the limit shell, the U-shaped rod is arranged on the side of the limit shell away from the cover plate, one end of the U-shaped rod extends to the interior of the limit shell and is fixedly connected to the slider, a socket is provided on the outer wall of the mounting shell, one end of the U-shaped rod is plugged into the socket, a first spring is fixedly provided on the side of the slider close to the U-shaped rod, and the other end of the first spring is fixedly connected to the inner wall of the limit shell.
[0008] Preferably, the limiting mechanism includes a square shell and a square block, the square shell is fixedly arranged inside the end of the fixed shell away from the rotating tube, a connecting rod is fixedly arranged on the side of the rotating rod close to the fixed shell, one end of the connecting rod extends to the interior of the fixed shell and is fixedly connected to a movable block, the square block is fixedly arranged on the side of the movable block close to the square shell, the outer diameter of the square block matches the inner diameter of the square shell, a second spring is fixedly arranged on the side of the movable block away from the square block, and the other end of the second spring is fixedly connected to the inner wall of the fixed shell.
[0009] Preferably, the longitudinal sections of the fixed shell and the movable block are both circular.
[0010] Preferably, both ends of the side of the PLC communication device close to the cover are provided with sockets, the internal sliding sleeve of the socket is provided with a sliding rod, and one end of the sliding rod is fixedly connected to the cover.
[0011] Preferably, threading holes are provided inside the rotating block, the connecting rod, the block and the fixed shell.
[0012] Preferably, the cross sections of the limiting housing and the slider are both rectangular.
[0013] Preferably, the longitudinal section of the rotating block is circular.
[0014] Preferably, the front side of the rotating block contacts the inner wall of the through slot.
[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0016] 1. The utility model pulls the mounting shell toward the side away from the PLC communication device, so that the rotating tube drives the connecting rod to move, thereby causing the block to leave the square shell, thereby releasing the limit on the rotating tube. The rotating block can be rotated, thereby facilitating the rotation of various wiring ports to the side close to the through slot, thereby enabling compatible connection with various devices with different interfaces.
[0017] 2. According to the present invention, by pulling the U-shaped rod toward the side away from the mounting shell, one end of the U-shaped rod is moved away from the interior of the mounting shell, thereby releasing the limit between the cover plate and the mounting shell, making it easier to remove the mounting shell, thereby exposing multiple wiring ports and facilitating maintenance and repair of the wiring ports. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0019] Figure 1 This is a structural diagram of a PLC communication compatible device proposed by the utility model;
[0020] Figure 2 for Figure 1 Schematic diagram of the internal structure;
[0021] Figure 3 for Figure 2 A schematic diagram of the structure of the partial A in the middle part;
[0022] Figure 4 for Figure 2 A schematic diagram of the structure of the partial B in the middle part;
[0023] Figure 5 for Figure 4 A three-dimensional diagram of the connection structure between the shell and the blocks.
[0024] Description of reference numerals:
[0025] 1. PLC communication equipment; 2. Cover plate; 3. Mounting shell; 4. Rotating block; 5. Wiring port; 6. Rotating tube; 7. Connecting rod; 8. Second spring; 9. Movable block; 10. Sliding rod; 11. U-shaped rod; 12. Limiting shell; 13. Sliding block; 14. First spring; 15. Fixed shell; 16. Square shell; 17. Block. DETAILED DESCRIPTION
[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0027] The embodiment of the utility model discloses a PLC communication compatible device.
[0028] Example 1
[0029] Reference Figure 1-5A PLC communication compatible device includes a PLC communication device 1 and a mounting shell 3. The mounting shell 3 is arranged on one side of the PLC communication device 1. A rotating tube 6 is arranged on the inner side of the mounting shell 3. A rotating block 4 is fixedly sleeved on the outer wall of the rotating tube 6. The longitudinal section of the rotating block 4 is circular, which facilitates the rotation of the rotating block 4. The front side of the rotating block 4 conflicts with the inner wall of the through groove, so as to prevent foreign matter from entering the mounting shell 3 as much as possible. The side wall of the rotating block 4 is fixedly provided with multiple different wiring ports 5 distributed in a circular array. The multiple wiring ports 5 are electrically connected to the PLC communication device 1 through wires. Connection, a through groove is provided on the front side of the mounting shell 3, and the side of the mounting shell 3 close to the PLC communication equipment 1 is opened, and a cover plate 2 is provided on the outside of the opening. One end of the rotating tube 6 is rotatably connected to the cover plate 2, and the cover plate 2 is fixedly connected to the mounting shell 3 through a connecting mechanism. A fixed shell 15 is fixedly provided inside the side of the PLC communication equipment 1 close to the mounting shell 3, and both ends of the side of the PLC communication equipment 1 close to the cover plate 2 are provided with a jack, and the internal sliding sleeve of the jack is provided with a slide rod 10, and one end of the slide rod 10 is fixedly connected to the cover plate 2, so that the cover plate 2 can slide stably.
[0030] Example 2
[0031] Reference Figure 1-5 , a connecting mechanism is provided between both ends of the cover plate 2 and the mounting shell 3, the connecting mechanism includes a U-shaped rod 11 and a limit shell 12, the two limit shells 12 are fixedly arranged at both ends of the cover plate 2, and a slider 13 is slidingly provided inside the limit shell 12, the U-shaped rod 11 is arranged on the side of the limit shell 12 away from the cover plate 2, one end of the U-shaped rod 11 extends to the inside of the limit shell 12 and is fixedly connected to the slider 13, and a socket is provided on the outer wall of the mounting shell 3, one end of the U-shaped rod 11 is plugged into the socket, and a first spring 14 is fixedly provided on the side of the slider 13 close to the U-shaped rod 11, and the other end of the first spring 14 is fixedly connected to the inner wall of the limit shell 12, and the cross-sections of the limit shell 12 and the slider 13 are both rectangular, so that the slider 13 cannot rotate, that is, it can slide stably.
[0032] Example 3
[0033] Reference Figure 1-5, a limiting mechanism for limiting the rotation of the rotating block 4 is provided inside the fixed shell 15, and the limiting mechanism includes a square shell 16 and a square 17. The square shell 16 is fixedly arranged inside the end of the fixed shell 15 away from the rotating tube 6, and the rotating tube 6 is fixedly provided with a connecting rod 7 on the side close to the fixed shell 15. One end of the connecting rod 7 extends to the interior of the fixed shell 15 and is fixedly connected to the movable block 9. The square 17 is fixedly provided on the side of the movable block 9 close to the square shell 16. The outer diameter of the square 17 matches the inner diameter of the square shell 16. A second spring 8 is fixedly provided on the side of the movable block 9 away from the square 17. The other end of the second spring 8 is fixedly connected to the inner wall of the fixed shell 15. The longitudinal sections of the fixed shell 15 and the movable block 9 are both circular, so that the movable block 9 can rotate smoothly. Wire holes are provided inside the rotating block 4, the connecting rod 7, the square 17 and the fixed shell 15 to facilitate the threading of wires.
[0034] In the present invention, when in use, the mounting shell 3 is pulled toward the side away from the PLC communication device 1, so that the rotating tube 6 drives the connecting rod 7 to move, and then the block 17 leaves the square shell 16, which can release the limit of the rotating tube 6, and then release the limit of the rotating tube 6, that is, the rotating block 4 can be rotated, which can facilitate the rotation 5 of various wiring ports to the side close to the through slot, that is, it can be compatible with devices with various different interfaces. Pulling the U-shaped rod 11 toward the side away from the mounting shell 3 makes one end of the U-shaped rod 11 leave the inside of the mounting shell 3, which can release the limit between the cover plate 2 and the mounting shell 3, making it convenient to disassemble the mounting shell 3, that is, expose multiple wiring ports 5, and facilitate maintenance and repair of the wiring ports 5.
[0035] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A PLC communication compatible device, comprising a PLC communication device (1) and a mounting shell (3), characterized in that: The mounting shell (3) is arranged on one side of the PLC communication device (1), a rotating tube (6) is arranged on the inner side of the mounting shell (3), a rotating block (4) is fixedly sleeved on the outer wall of the rotating tube (6), and a plurality of different wiring ports (5) are fixedly arranged on the side wall of the rotating block (4) in a circular array, and the plurality of wiring ports (5) are electrically connected to the PLC communication device (1) through wires. A through slot is provided on the front side of the mounting shell (3), and the mounting shell (3) is close to the PLC communication device (1). ) is provided with an opening on one side, a cover plate (2) is provided on the outside of the opening, one end of the rotating tube (6) is rotatably connected to the cover plate (2), connecting mechanisms are provided between both ends of the cover plate (2) and the mounting shell (3), the cover plate (2) is fixedly connected to the mounting shell (3) through the connecting mechanism, a fixed shell (15) is fixedly provided inside the side of the PLC communication device (1) close to the mounting shell (3), and a limiting mechanism for limiting the rotation of the rotating block (4) is provided inside the fixed shell (15).
2. The PLC communication compatible device according to claim 1, characterized in that: The connecting mechanism comprises a U-shaped rod (11) and a limiting shell (12), the two limiting shells (12) are fixedly arranged at both ends of the cover plate (2), a slider (13) is slidably arranged inside the limiting shell (12), the U-shaped rod (11) is arranged on the side of the limiting shell (12) away from the cover plate (2), one end of the U-shaped rod (11) extends into the interior of the limiting shell (12) and is fixedly connected to the slider (13), an outer wall of the mounting shell (3) is provided with a socket, one end of the U-shaped rod (11) is plugged into the socket, a first spring (14) is fixedly arranged on the side of the slider (13) close to the U-shaped rod (11), and the other end of the first spring (14) is fixedly connected to the inner wall of the limiting shell (12).
3. The PLC communication compatible device according to claim 1, characterized in that: The limiting mechanism comprises a square shell (16) and a square block (17); the square shell (16) is fixedly arranged inside the end of the fixed shell (15) away from the rotating tube (6); a connecting rod (7) is fixedly arranged on the side of the rotating tube (6) close to the fixed shell (15); one end of the connecting rod (7) extends into the interior of the fixed shell (15) and is fixedly connected to a movable block (9); the square block (17) is fixedly arranged on the side of the movable block (9) close to the square shell (16); the outer diameter of the square block (17) matches the inner diameter of the square shell (16); a second spring (8) is fixedly arranged on the side of the movable block (9) away from the square block (17); the other end of the second spring (8) is fixedly connected to the inner wall of the fixed shell (15).
4. The PLC communication compatible device according to claim 1, characterized in that: The longitudinal sections of the fixed shell (15) and the movable block (9) are both circular.
5. The PLC communication compatible device according to claim 1, characterized in that: The PLC communication device (1) is provided with jacks at both ends of one side close to the cover plate (2), and a sliding rod (10) is provided inside the jack. One end of the sliding rod (10) is fixedly connected to the cover plate (2).
6. The PLC communication compatible device according to claim 3, characterized in that: The interiors of the rotating block (4), the connecting rod (7), the block (17) and the fixed shell (15) are all provided with threading holes.
7. The PLC communication compatible device according to claim 2, characterized in that: The cross sections of the limiting shell (12) and the sliding block (13) are both rectangular.
8. The PLC communication compatible device according to claim 1, characterized in that: The longitudinal section of the rotating block (4) is circular.
9. The PLC communication compatible device according to claim 1, characterized in that: The front side of the rotating block (4) abuts against the inner wall of the through slot.