A double-layer quick plug wiring assembly and a DCS module terminal base

Abstract

The application discloses a double-layer quick-plug wire assembly and a DCS module terminal base, which comprises a shell, a clamping part, a connecting part, an extension part and an elastic pressing sheet. The shell is internally provided with a mounting cavity, and is provided with a pin interface, a wire interface and a mounting interface which are communicated with the mounting cavity. The extension part is movably connected with the shell through the mounting interface. The connecting part is located in the mounting cavity, and the connecting part is divided into a metal segment and a non-metal segment. One end of the non-metal segment is connected with the metal segment, and the other end is connected with the extension part. One end of the elastic pressing sheet is connected with the metal segment, and the other end is close to the wire interface. The elastic pressing sheet is located directly below the extension part. The clamping part is composed of two clamping elastic sheets. The clamping elastic sheets are spaced apart from each other, and one end of the clamping elastic sheet is connected with the metal segment, and the other end gradually approaches the other clamping elastic sheet. Therefore, the technical problem that the current double-layer quick-plug wire assembly is not conducive to daily maintenance operation and has low maintenance efficiency is solved, and the automatic control signal wire can be connected efficiently and quickly.

Description

TECHNICAL FIELD

[0001] The application relates to a double-layer quick-plug wiring assembly and a DCS module terminal base, and belongs to the field of wiring terminal structure design. BACKGROUND

[0002] In an alumina production process, the quick-plug wiring assembly is applied for conveniently connecting wires, and is also an important matching element in a DCS system. From the DCS system, a cabinet, a module to each replaceable independent unit, a large number of wiring terminals are distributed in various parts like a human nervous system, and bear the signal control and transmission of the DCS control system. Therefore, the application occasion of the wiring terminal is everywhere, and the terminal is used wherever wiring is needed. With the increasing frequent use of the wiring terminal in the industrial automation field, more and more users have higher requirements for the wiring terminal. Therefore, the structure and wiring mode of the wiring terminal have changed greatly. The wiring terminal has changed from the original single structure to various wiring structures suitable for various wiring environments, greatly facilitating the use. Meanwhile, the structure of the wiring terminal is more and more humanized, the wiring speed is greatly improved, and the labor intensity of workers is reduced. At the same time, the reliability of the wiring terminal is also higher and higher, and the use of new production processes and technical equipment, scientific production processes and quality control methods greatly improve the quality and service life of the wiring terminal.

[0003] At present, the double-layer quick-plug wiring assembly in the DCS system is connected by two parts, one part is pressed to the other part, and then the other part is welded to the terminal plate of the DCS module base. However, the design structure of the double-layer quick-plug wiring assembly in the current DCS system is not conducive to the simplification of industrial automation wiring operation, reduces the work efficiency of workers in daily operation, and increases the labor intensity of workers. Moreover, the terminal of the current double-layer quick-plug wiring assembly in the DCS system is easy to loosen, causing the contact resistance to be too large, and then overheating to cause the double-layer quick-plug wiring assembly to be blackened, affecting the use safety. In addition, the double-layer quick-plug wiring assembly in the current DCS system is not conducive to daily maintenance operation, which greatly disturbs the actual use. Therefore, a double-layer quick-plug wiring assembly and a DCS module terminal base are needed, which can improve the simplification degree of industrial automation wiring operation and the work efficiency of workers in daily operation, reduce the labor intensity of workers, and improve the essential safety of on-site operators. SUMMARY

[0004] In view of the above technical problems, the application provides a double-layer quick-plug wiring assembly and a DCS module terminal base, which can improve the simplification degree of industrial automation wiring operation and the work efficiency of workers in daily operation, reduce the labor intensity of workers, and improve the essential safety of on-site operators.

[0005] A double-layer quick plug wiring assembly comprises two layers of wiring assemblies which are attached to each other, wherein each layer of wiring assembly comprises a shell, a clamping part, a connecting part, an extension part and an elastic pressing sheet.

[0006] The shell is provided with a mounting cavity, and a pin interface, a wire interface and a mounting interface are arranged on the upper and lower end faces and a side face of the shell respectively and communicate with the mounting cavity; the extension part is movably connected with the shell through the mounting interface; the connecting part is located in the mounting cavity; the connecting part is divided into a metal segment and a non-metal segment; one end of the non-metal segment is connected with the metal segment, and the other end is connected with the extension part; one end of the elastic pressing sheet is connected with the metal segment, and the other end is close to the wire interface; the elastic pressing sheet is located directly below the extension part; the clamping part is composed of two clamping elastic sheets which are arranged at intervals and have one end connected with the metal segment and the other end gradually close to the other clamping elastic sheet; the channel between the two clamping elastic sheets is a pin channel which corresponds to the pin interface.

[0007] Further improvement of the above technical solution is that the wiring assembly is connected with another layer of wiring assembly in a stepped manner; the side face of the wiring assembly on which the wire interface is arranged is attached to the opposite side face of another layer of wiring assembly on which the wire interface is arranged; and the wire interfaces of all the wiring assemblies are exposed.

[0008] Further, the wiring assembly with a relatively high position is provided with a hook-shaped buckling part on the opposite side face on which the wire interface is arranged.

[0009] Further, the shell is provided with a first sliding groove along the length direction, and the extension part is provided with a second sliding groove in which a self-locking pin is accommodated; when the extension part moves to a specified position, the first sliding groove is aligned with the second sliding groove, and the self-locking pin is simultaneously connected with the first sliding groove and the second sliding groove in a sliding manner.

[0010] Further, the inner wall at the connection between the shell and the wire interface is provided with a wire platform which is perpendicular to the inner wall of the shell; the channel between the elastic pressing sheet and the wire platform is a wire channel which corresponds to the wire interface.

[0011] Further, a part of a positive screw thread is formed on the outer circle of the extension part, and a reverse screw thread is arranged on the mounting interface of the shell; the extension part is connected with the shell in a threaded manner through the mounting interface.

[0012] Further, the non-metal segment is wrapped on the non-threaded area of the extension part.

[0013] A DCS module terminal base is adapted to a double-layer quick plug wiring assembly; the DCS module terminal base comprises a base body, and a plurality of corresponding two layers of steps of the double-layer quick plug wiring assembly are arranged in parallel on the surface of the base body; a base pin is arranged on each layer of step of all the two layers of steps.

[0014] Furthermore, the second step is provided with a positioning groove along the outer edge contour, and the positioning groove corresponds to the buckling portion.

[0015] Furthermore, the base body is also provided with a fuse position, a module address position, a communication connection port, an anti-mixing pin, a module slot and a module fixing screw hole.

[0016] From the above technical solution, it can be seen that the double-layer quick-plug wiring assembly and the DCS module terminal base provided by the present invention have reasonable structures. In actual use, the two-layer wiring assemblies of the double-layer quick-plug wiring assembly are clamped on the two-layer steps of the DCS module terminal base, and the base pins on each layer of the steps are inserted into the pin channels from the pin interfaces. The clamping springs are pushed open to both sides. When the external force is removed, the clamping springs close toward the base pins to clamp the base pins, completing the electrical connection between the DCS module terminal base and the double-layer quick-plug wiring assembly. The wires are inserted into the wire interfaces, and the displacement of the telescopic part forces the DCS module terminal base to be electrically connected to the double-layer quick-plug wiring assembly. The elastic pressing piece presses the wire to achieve electrical connection, and during the displacement of the telescopic part, the non-metallic section also moves accordingly, thereby tightening the metal section and making the connection between the clamping spring piece and the base pin tighter. Compared with the current double-layer quick-plug wiring assembly, the double-layer quick-plug wiring assembly and DCS module terminal base provided by the present invention solve the technical problems that the current double-layer quick-plug wiring assembly is not conducive to daily maintenance operations and has low maintenance efficiency, as well as the inherent safety of on-site personnel, and realizes the simplification of industrial automation wiring operations, and can efficiently and quickly connect the automatic control signal line. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic structural diagram of a double-layer quick-connect wiring assembly provided by the present invention;

[0019] Figure 2 This is a structural schematic diagram of the DCS module terminal base provided by the present invention.

[0020] In the figure: 1, shell; 2, wire interface; 3, second sliding groove; 4, self-locking pin; 5, first sliding groove; 6, elastic pressing piece; 7, wire platform; 8, pin interface; 9, clamping elastic piece; 10, metal section; 11, buckling part; 12, non-metal section; 13, mounting interface; 14, telescopic part; 15, mounting cavity; 16, base body; 17, two-layer step; 18, base pin; 19, fuse position; 20, module address position; 21, positioning groove; 22, communication connection port; 23, anti-mixing pin; 24, module slot; 25, module fixing screw hole. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, 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 some but not all of the embodiments of the present application. The elements and features in one drawing or one embodiment described in the present application can be combined with the elements and features shown in one or more other drawings or embodiments. It should be noted that, for the purpose of clarity, the representations and descriptions of components and processes irrelevant to the present application and known to those of ordinary skill in the art are omitted from the drawings and the description. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application. In the following embodiments of the present application, the serial numbers and / or the order of the embodiments are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. The description of each embodiment is focused on different aspects, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0022] Reference Figure 1 A double-layer quick-plug wire assembly includes two layers of wire assemblies, and the two layers of wire assemblies are attached to each other, wherein each layer of wire assembly includes a shell 1, a clamping part, a connecting part, a telescopic part 14, and an elastic pressing piece 6.

[0023] The shell 1 is provided with a mounting cavity 15, and the upper and lower end faces and one side face of the shell 1 are respectively provided with a pin interface 8, a wire interface 2 and a mounting interface 13 which are communicated with the mounting cavity 15. In actual use, the pin interface 8 is generally arranged on the lower end face of the shell 1, the mounting interface 13 is generally arranged on the upper end face of the shell 1, and the wire interface 2 is generally arranged on the end face of the shell 1, and the mounting directions of the wire interfaces 2 of different wiring assemblies are consistent. The pin is inserted into the pin interface 8, and the wire is inserted into the wire interface 2. The stretchable part 14 is movably connected with the shell 1 through the mounting interface 13, the connecting part is located in the mounting cavity 15, and the connecting part is composed of a metal segment 10 and a non-metal segment 12. One end of the non-metal segment 12 is connected with the metal segment 10, and the other end of the non-metal segment 12 is connected with the stretchable part 14. One end of the elastic pressing sheet 6 is connected with the metal segment 10, and the other end of the elastic pressing sheet 6 is close to the wire interface 2. The elastic pressing sheet 6 is located directly below the stretchable part 14. The clamping part is composed of two clamping elastic sheets 9 which are arranged at intervals and one end of each clamping elastic sheet 9 is connected with the metal segment 10, and the other end of each clamping elastic sheet 9 is gradually close to the other clamping elastic sheet 9. The channels between the clamping elastic sheets 9 are pin channels which are corresponding to the pin interface 8.

[0024] In actual use, the two-layer wiring assemblies of the double-layer quick plug wiring assembly are clamped on the two-layer steps 17 of the DCS module terminal base. The base pins 18 on each step are inserted into the pin channels from the pin interface 8, and the clamping elastic sheets 9 are pushed away to the two sides. When the external force is removed, the clamping elastic sheets 9 are closed to the base pins 18 to clamp the base pins 18, thereby completing the electrical connection between the DCS module terminal base and the double-layer quick plug wiring assembly. The wires are inserted into the wire interfaces 2, and the displacement of the stretchable part 14 forces the elastic pressing sheet 6 to press the wires to realize the electrical connection. In the displacement process of the stretchable part 14, the non-metal segment 12 also moves, thereby making the metal segment 10 tight, and making the connection between the clamping elastic sheets 9 and the base pins 18 more close. Compared with the current double-layer quick plug wiring assembly, the double-layer quick plug wiring assembly and the DCS module terminal base provided by the present application solve the technical problems of the current double-layer quick plug wiring assembly which is not conducive to daily maintenance operation and has low maintenance efficiency and the essential safety of the on-site personnel, realize the simplification of the industrial automatic wiring operation, and achieve the technical result of efficiently and quickly wiring the automatic control signal lines.

[0025] In other embodiments, the wiring assembly is connected with another layer of wiring assembly in a step-by-step manner. The side part of the wiring assembly provided with the wire interface 2 is attached to the opposite side of another layer of wiring assembly provided with the wire interface 2, and the wire interfaces 2 of all wiring assemblies are exposed. The terminal base is generally provided with multiple groups of wiring assemblies with different numbers. In order to save space, multiple groups of wiring assemblies are arranged side by side. In order to consider wiring, the side part of the wiring assembly provided with the wire interface 2 needs to be attached to the opposite side of another layer of wiring assembly provided with the wire interface 2, so that the wire interfaces 2 of all wiring assemblies are exposed.

[0026] In other embodiments, a relatively higher wiring assembly is provided with a snap-fitting portion 11 on the side opposite to the wire interface 2, and the snap-fitting portion 11 is hook-shaped. The snap-fitting portion 11 fixes the wiring assembly on the terminal base and is also used to position the wiring assembly.

[0027] In other embodiments, the shell 1 is provided with a first sliding groove 5 along the length direction, and the telescopic part 14 is provided with a second sliding groove 3, and the second sliding groove 3 accommodates a self-locking pin 4. When the telescopic part 14 moves to the specified position, the first sliding groove 5 is aligned with the second sliding groove 3, and the self-locking pin 4 is slidably connected to the first sliding groove 5 and the second sliding groove 3 at the same time. The length of the self-locking pin 4 may be slightly larger than the length of the first sliding groove 5. When the telescopic part 14 moves to the specified position, the part of the self-locking pin 4 located on the outside is pushed, and a part of the self-locking pin 4 can be moved from the first sliding groove 5 to the second sliding groove 3, while the other part of the self-locking pin 4 remains in the first sliding groove 5, thereby limiting the upward movement of the telescopic part 14.

[0028] In other embodiments, a wire platform 7 is provided on the inner wall at the connection between the shell 1 and the wire interface 2. The wire platform 7 is perpendicular to the inner wall of the shell 1, and the channel between the elastic pressing piece 6 and the wire platform 7 is a wire channel. The wire channel corresponds to the wire interface 2, and the elastic pressing piece 6 presses the wire tightly onto the wire platform 7.

[0029] In other embodiments, a partial positive thread is provided on the outer circle of the telescopic portion 14 , a reverse thread is installed on the mounting interface 13 of the housing 1 , and the telescopic portion 14 is threadedly connected to the housing 1 through the mounting interface 13 .

[0030] In other embodiments, the non-metallic section 12 is wrapped around the non-threaded area of ​​the telescoping portion 14 .

[0031] The utility model provides a DCS module terminal base, it is suitable for double -deck quick -plug wire assembly, DCS module terminal base includes base body 16, and the surface of base body 16 is provided with a plurality of corresponding two -deck staircases 17 with double -deck quick -plug wire assembly in parallel, and the each layer staircase of all two -deck staircases 17 is provided with base pin 18, two -deck staircase 17 is provided with positioning groove 21 along the outer edge contour, and positioning groove 21 corresponds with buckling portion 11, base body 16 is further provided with fuse position 19, module address position 20, communication connection port 22, anti -mixing pin 23, module slot 24 and module fixing screw hole 25. DCS module terminal base is used to connect external passage signal, and is connected with the corresponding pin of european connector. Fuse position 19, there is the total fuse of external power positive in fuse position 19 and passage protection fuse, and the protection fuse of each passage can be replaced. Module address position 20 is used to set the slave address of I / O module, and is connected with the corresponding pin of european connector. Communication connection port 22 is used to connect normally with DCS master control. Anti -mixing pin 23 prevents module pin from inserting wrong position, causes equipment exception. Module slot 24 is used to connect more reliably with DCS module. Module fixing screw makes module and base more reliable connection. Base pin 18 is used to connect better with double -deck quick -plug wire assembly.

[0032] Finally, it should be noted that while the present application and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims. Moreover, the scope of the present application is not intended to be limited to particular methodologies, devices, means, methods and steps described herein. It is therefore evident that the application can be practiced otherwise than as specifically understood within the scope of the claims. Accordingly, the appended claims are intended to cover all such alternatives, modifications and variations as falling within the true scope and spirit of the present application.

Claims

1. A double-layer quick-connect wiring assembly, characterized in that: The invention comprises two layers of wiring assemblies, which are bonded to each other, wherein each layer of the wiring assembly comprises a shell, a clamping portion, a connecting portion, a telescopic portion, and an elastic pressing piece; a mounting cavity is provided in the shell, and a pin interface, a wire interface, and a mounting interface communicating with the mounting cavity are respectively provided on the upper and lower end surfaces and one side surface of the shell; the telescopic portion is movably connected to the shell through the mounting interface, the connecting portion is located in the mounting cavity, and the connecting part is a metal segment and a non-metal segment, one end of the non-metal segment is connected to the metal segment, and the other end is connected to the telescopic portion, one end of the elastic pressing piece is connected to the metal segment, and the other end is close to the wire interface, and the elastic pressing piece is located directly below the telescopic portion, the clamping portion is composed of two clamping springs, different clamping springs are arranged at intervals, and one end of the clamping spring is connected to the metal segment, and the other end gradually approaches the other clamping spring, and the channel between different clamping springs is a pin channel, and the pin channel corresponds to the pin interface.

2. The double-layer quick-connect terminal assembly according to claim 1, characterized in that: The wiring assembly is connected to another layer of wiring assembly in a stepped manner, and the side portion of the wiring assembly on which the wire interface is installed is partially attached to the opposite side portion of the wiring assembly on which the wire interface is installed, and the wire interfaces of all the wiring assemblies are exposed.

3. The double-layer quick-connect terminal assembly according to claim 2, characterized in that: The relatively higher wiring assembly is provided with a buckling portion on the side opposite to the side where the wire interface is installed, and the buckling portion is hook-shaped.

4. The double-layer quick-connect terminal assembly according to claim 1, characterized in that: The shell is provided with a first sliding groove along the length direction, and the telescopic part is provided with a second sliding groove. The second sliding groove accommodates a self-locking pin. When the telescopic part moves to a specified position, the first sliding groove is aligned with the second sliding groove, and the self-locking pin is slidably connected to the first sliding groove and the second sliding groove at the same time.

5. The double-layer quick-connect terminal assembly according to claim 1, characterized in that: A wire platform is provided on the inner wall of the connection between the shell and the wire interface. The wire platform is perpendicular to the inner wall of the shell, and the channel between the elastic pressing piece and the wire platform is a wire channel. The wire channel corresponds to the wire interface.

6. The double-layer quick-connect terminal assembly according to claim 1, characterized in that: A partial positive thread is provided on the outer circle of the telescopic portion, a reverse thread is provided on the mounting interface of the shell, and the telescopic portion is threadedly connected to the shell through the mounting interface.

7. The double-layer quick-connect terminal assembly according to claim 1, characterized in that: The non-metallic section is wrapped around the non-threaded area of ​​the telescopic portion.

8. A DCS module terminal base, characterized by: Adapted to the double-layer quick-plug wiring assembly described in any one of claims 1 to 7, the DCS module terminal base includes a base body, and a plurality of two-layer steps corresponding to the double-layer quick-plug wiring assembly are arranged in parallel on the surface of the base body, and each step of all the two-layer steps is provided with a base pin.

9. The DCS module terminal base according to claim 8, characterized in that: The second step is provided with a positioning groove along the outer edge contour, and the wiring assembly at a relatively higher position is provided with a buckling portion on the opposite side where the wire interface is installed; the positioning groove corresponds to the buckling portion.

10. The DCS module terminal base according to claim 8, characterized in that: The base body is also provided with a fuse position, a module address position, a communication connection port, an anti-mixing pin, a module slot and a module fixing screw hole.

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