Cage type safety relay socket board

Abstract

The utility model relates to a cage type safety relay socket board which comprises a bottom board, a cage type frame, a wiring terminal and an insertion spring. A plurality of first inserting holes are formed in the top surface of the bottom plate, the cage type frame is fixedly arranged on the top surface of the bottom plate, and second inserting holes corresponding to the first inserting holes in position are formed in the cage type frame; the wiring terminal is arranged in the first jack and the second jack, the top end of the wiring terminal is connected with an external wire in an inserted mode, and the bottom end of the wiring terminal is connected with the insertion spring in an inserted mode; the insertion spring is used for being connected with external equipment. According to the invention, the base plate and the cage-type frame form the basic frame, the wiring terminals are arranged in the first jacks and the second jacks in the base plate and the cage-type frame, and wires and equipment are plugged through the wiring terminals. And fault hidden dangers caused by insufficient welding can be fundamentally eliminated. In addition, the wiring mode in the application has convenience and flexibility, and is convenient for maintenance, upgrade and transformation after equipment operation.

Description

Technical Field

[0001] The utility model relates to the field of electrical equipment, in particular to a cage-type safety relay socket plate. Background Art

[0002] At present, the connection method of safety relay socket boards in railway systems is welding. The welding process is a special process in the technical documents of the railway industry. Among them, cold welding is one of the hidden dangers that cause railway operation failures and accidents. In order to eliminate this hidden danger, not only the equipment manufacturer implements strict standards for operators, welding processes and inspections, but also the equipment operator checks each welding point by pulling before officially putting it into operation. Even with such investment of manpower and material resources, the hidden danger of cold welding cannot be completely eliminated.

[0003] Welding connection is a hard connection. If the equipment operator improves the technical solution or performs equipment maintenance before or after the equipment is put into operation, on-site welding operations must be performed in the control room, which is difficult and unsafe for welding personnel to operate. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a cage-type safety relay socket board.

[0005] The technical solution adopted by the utility model to solve the technical problem is: the cage-type safety relay socket board in the application includes a bottom plate, a cage frame, a wiring terminal and a plug spring;

[0006] The top surface of the bottom plate is provided with a plurality of first plug holes, the cage frame is fixedly arranged on the top surface of the bottom plate, and the cage frame is provided with second plug holes corresponding to the positions of the plurality of first plug holes;

[0007] The connection terminal is arranged in the first jack and the second jack, the top end of the connection terminal is plugged into the external wire, and the bottom end of the connection terminal is plugged into the plug spring; the plug spring is used to connect to an external device.

[0008] In one embodiment of the present application, the wiring terminal comprises a housing, a plug spring connector and an ear spring;

[0009] The plug spring connector is provided with a connection groove, which is formed by bending metal sheets on both sides of the plug spring connector body; and horns are provided on both sides of the bottom of the plug spring connector;

[0010] One end of the ear reed is fixedly connected to the sheep horn, and the other end of the ear reed is provided with a through hole. The other end of the ear reed is bent so that the sheep horn and one end of the ear reed are located in the through hole. When the ear reed is not subjected to external force, the side wall of the through hole contacts the inner side of the sheep horn. When the ear reed is subjected to external force toward the inside, the ear reed forms a plug-in hole with the inner side of the sheep horn.

[0011] The housing is provided with a groove matching the shape of the plug spring connector and the ear spring piece, the plug spring connector and the ear spring piece are arranged in the groove, and the housing is also provided with a wiring hole opened from the top to the groove, the wiring hole corresponds to the position of the plug hole;

[0012] The housing is disposed in the first insertion hole and the second insertion hole.

[0013] In one embodiment of the present application, the shell is also provided with a pry spring hole opened from the top to the groove, the pry spring hole corresponds to the outward fold of the ear reed, and the pry spring hole is used to insert a pry spring tool so that the ear reed is subjected to an external force toward the inside.

[0014] In one embodiment of the present application, buckles are provided on both sides of the bottom of the shell, and the shell and the second socket are connected by the buckles.

[0015] In one embodiment of the present application, the top surface of the base plate is further provided with an annular groove surrounding the plurality of first jacks, and the bottom of the cage frame is provided with an annular block matching the annular groove, and the annular block is fixed in the annular groove to fix the cage frame on the top surface of the base plate.

[0016] In one embodiment of the present application, a boss is further provided on the bottom surface of the bottom plate, the plurality of first insertion holes pass through the boss, and the insertion spring is hidden in the boss.

[0017] In one embodiment of the present application, the side edge of the shell and the side edge of the second plug hole are both provided with chamfered portions for preventing reverse insertion.

[0018] Beneficial effects of the utility model: The cage-type safety relay socket board in the present application includes a base plate, a cage frame, a wiring terminal and a plug spring; a plurality of first sockets are provided on the top surface of the base plate, the cage frame is fixedly arranged on the top surface of the base plate, and a second socket corresponding to the position of the plurality of first sockets is arranged in the cage frame; the wiring terminal is arranged in the first socket and the second socket, the top end of the wiring terminal is plugged into the external wire, and the bottom end of the wiring terminal is plugged into the plug spring; the plug spring is used to connect to an external device. The present application constructs a basic framework by a chassis and a cage frame, and wiring terminals are arranged in the first socket and the second socket in the chassis and the cage frame, and the wires and devices are plugged in through the wiring terminals. The hidden trouble caused by welding cold soldering can be fundamentally eliminated. In addition, the wiring method in the present application is convenient and flexible, which is convenient for maintenance, upgrading and transformation of the equipment after operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the cage-type safety relay socket board of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the bottom plate of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the cage frame of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the wiring terminal and the plug spring of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the plug spring connector and the ear spring of the utility model;

[0024] In the figure:

[0025] 1-bottom plate, 11-first plug hole, 12-annular slot;

[0026] 2-cage frame, 21-second jack, 22-annular block;

[0027] 3-connection terminal, 31-housing, 311-connection hole, 312-prying spring hole, 313-clip, 32-plug spring connector, 321-connection slot, 322-ram horn, 33-ear spring, 331-through hole;

[0028] 4- Insert the spring. DETAILED DESCRIPTION

[0029] The following will describe the implementation methods of the present application with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be understood that the preferred embodiments are only for illustrating the present application, not for limiting the scope of protection of the present application.

[0030] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application, and thus the drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0031] Example

[0032] like Figure 1-Figure 5 As shown, the cage-type safety relay socket board in the present application includes a base plate 1, a cage frame 2, a wiring terminal 3 and a plug spring 4;

[0033] The top surface of the bottom plate 1 is provided with a plurality of first plug holes 11, the cage frame 2 is fixedly arranged on the top surface of the bottom plate 1, and the cage frame 2 is provided with second plug holes 21 corresponding to the positions of the plurality of first plug holes 11;

[0034] The connection terminal 3 is arranged in the first jack 11 and the second jack 21 , the top end of the connection terminal 3 is plugged into the external wire, and the bottom end of the connection terminal 3 is plugged into the plug spring 4 ; the plug spring 4 is used to connect to an external device.

[0035] Specifically, the cage frame has a positioning and imprisoning function for the plug-in terminal, and its material is engineering plastic PA66A45L. The top surface of the bottom plate 1 is also provided with an annular groove 12 surrounding the plurality of first jacks 11, and the bottom of the cage frame 2 is provided with an annular block 22 matching the annular groove 11, and the annular block 22 is fixed in the annular groove 11 to fix the cage frame 2 on the top surface of the bottom plate 1. The bottom surface of the bottom plate 1 is also provided with a boss, and the plurality of first jacks 11 pass through the boss, and the plug spring 4 is hidden in the boss.

[0036] The terminal block 3 comprises a housing 31, a spring connector 32 and a spring ear 33;

[0037] The plug spring connector 32 is provided with a connection groove 321, which is formed by bending metal sheets on both sides of the plug spring connector 32 body; the two sides of the bottom of the plug spring connector 32 are provided with horns 322;

[0038] One end of the ear reed 33 is fixedly connected to the ram horn 322, and the other end of the ear reed 33 is provided with a through hole 331. The other end of the ear reed 33 is bent so that the ram horn 322 and one end of the ear reed 33 are located in the through hole 331. When the ear reed 33 is not subjected to external force, the side wall of the through hole 331 contacts the inner side of the ram horn 322. When the ear reed 33 is subjected to external force toward the inside, the ear reed 33 forms a plug-in hole with the inner side of the ram horn 322.

[0039] The shell 31 is provided with a groove that matches the shape of the plug spring connector 32 and the ear spring piece 33. The plug spring connector 32 and the ear spring piece 33 are arranged in the groove. The shell 31 is also provided with a wiring hole 311 opened from the top to the groove, and the wiring hole 311 corresponds to the position of the plug hole; buckles 313 are provided on both sides of the bottom of the shell 31, and the shell 31 is connected to the second socket 21 through the buckles 313.

[0040] The housing 31 is disposed in the first plug hole 11 and the second plug hole 21. Specifically, the cage frame also has an anti-reverse insertion and snap-on design, and the side edges of the housing 31 and the second plug hole 21 are both provided with chamfered portions for anti-reverse insertion.

[0041] The shell 31 is also provided with a pry spring hole 312 extending from the top into the groove. The pry spring hole 312 corresponds to the outer fold of the ear spring 33. The pry spring hole 312 is used to insert a pry spring tool so that the ear spring 33 is subjected to an external force toward the inside.

[0042] The terminal block 3 in the present application realizes the conversion of the wiring mode from welding to quick plug-in. Each plug-in terminal block has two independent wiring holes 311, which meets the requirements of on-site parallel connection. The two wiring holes 311 are round holes with a diameter of 3.9 mm, and can connect to cross-sections of 0.4 mm 2 -1.5mm 2 The two 2.6mm×3.0mm rectangular holes are pry spring holes 312.

[0043] The housing 31 is used to assemble the plug spring connector 32 and the ear spring 33, and has two colors, light gray and dark blue, respectively. The material is the engineering plastic PA66A45L.

[0044] One end of the plug spring connector 32 is plugged with the plug spring 4, and the other end is equipped with the ear spring 33, which can be plugged with a specification of 0.4mm 2 -1.5mm 2 The tubular terminal (located at the end of the wire) is used to insert the spring lead. The material is brass H62, the plate thickness is 0.4mm, and the surface is nickel-plated.

[0045] The ear spring piece 33 has a certain elasticity, and its function is to tightly connect the plug spring connector 2 with the tubular terminal. The material is SUS301, the plate thickness is 0.35mm, and the hardness is HV540-580.

[0046] The specific assembly process of this application is as follows:

[0047] 1. Terminal block assembly,

[0048] Use tools to install the two ear springs at the top horns of the plug spring connector to form a plug spring assembly. Then install the plug spring assembly in the terminal plastic shell to form a terminal assembly.

[0049] 2. Bottom plate-cage frame assembly

[0050] Insert multiple plug springs into the bottom plate ports in sequence, with the top of the plug springs flush with the port surface, the ports numbered 1 and 2 are reversed, and the other ports are forward installed to form a bottom plate assembly. Then assemble the cage frame on the back of the bottom plate assembly to form a bottom plate-cage frame assembly.

[0051] 3. Finished product assembly

[0052] Insert the 8 dark blue terminal blocks into the 8 ports of the base plate-cage frame assembly numbered 13, 23, 33, 43, 53, 63, 73, and 83 respectively, insert the 2 light gray terminal blocks into the 2 ports of the base plate-cage frame assembly numbered 1, 2, respectively, and insert the 18 light gray terminal blocks into the remaining ports of the base plate-cage frame assembly respectively, keeping the top surface of each terminal block flush with the top surface of the cage frame, and the finished product assembly is completed.

[0053] The cage-type safety relay socket board in the present application includes a base plate, a cage frame, a wiring terminal and a plug spring; a plurality of first sockets are provided on the top surface of the base plate, the cage frame is fixedly arranged on the top surface of the base plate, and a second socket corresponding to the position of the plurality of first sockets is arranged in the cage frame; the wiring terminal is arranged in the first socket and the second socket, the top end of the wiring terminal is plugged into the external wire, and the bottom end of the wiring terminal is plugged into the plug spring; the plug spring is used to connect to an external device. The present application constructs a basic framework by a chassis and a cage frame, and wiring terminals are arranged in the first socket and the second socket in the chassis and the cage frame, and the wires and devices are plugged in through the wiring terminals. The hidden trouble caused by welding cold soldering can be fundamentally eliminated. In addition, the wiring method in the present application is convenient and flexible, which is convenient for maintenance, upgrading and transformation of the equipment after operation.

[0054] The above embodiments are merely illustrative of the principles and effects of the present application, and are not intended to limit the present application. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by a person of ordinary skill in the art without departing from the spirit and technical ideas disclosed in the present application shall still be covered by the claims of the present application.

Claims

1. Cage-type safety relay socket board, characterized in that: It comprises a base plate (1), a cage frame (2), a wiring terminal (3) and a plug spring (4); The top surface of the bottom plate (1) is provided with a plurality of first plug holes (11); the cage frame (2) is fixedly arranged on the top surface of the bottom plate (1); and second plug holes (21) corresponding to the positions of the plurality of first plug holes (11) are provided in the cage frame (2); The wiring terminal (3) is arranged in the first jack (11) and the second jack (21); the top end of the wiring terminal (3) is plugged into an external wire, and the bottom end of the wiring terminal (3) is plugged into the plug spring (4); the plug spring (4) is used to connect to an external device.

2. The cage-type safety relay socket board according to claim 1, characterized in that: The wiring terminal (3) comprises a housing (31), a spring connector (32) and an ear spring (33); The plug spring connector (32) is provided with a connection groove (321), and the connection groove (321) is formed by bending metal sheets on both sides of the main body of the plug spring connector (32); and horns (322) are provided on both sides of the bottom of the plug spring connector (32); One end of the ear reed (33) is fixedly connected to the sheep horn (322), and the other end of the ear reed (33) is provided with a through hole (331). The other end of the ear reed (33) is bent so that the sheep horn (322) and one end of the ear reed (33) are located in the through hole (331). When the ear reed (33) is not subjected to external force, the side wall of the through hole (331) contacts the inner side of the sheep horn (322). When the ear reed (33) is subjected to external force directed inward, the ear reed (33) forms a plug-in hole with the inner side of the sheep horn (322); The housing (31) is provided with a groove matching the shape of the plug spring connector (32) and the ear spring (33), the plug spring connector (32) and the ear spring (33) are arranged in the groove, and the housing (31) is also provided with a wiring hole (311) opened from the top to the groove, and the wiring hole (311) corresponds to the position of the plug hole; The housing (31) is disposed in the first insertion hole (11) and the second insertion hole (21).

3. The cage-type safety relay socket board according to claim 2, characterized in that: The housing (31) is further provided with a pry spring hole (312) extending from the top into the groove, the pry spring hole (312) corresponding to the outer fold of the ear reed (33), and the pry spring hole (312) is used to insert a pry spring tool so that the ear reed (33) is subjected to an external force directed inward.

4. The cage-type safety relay socket board according to claim 2, characterized in that: Buckles (313) are provided on both sides of the bottom of the shell (31), and the shell (31) and the second plug hole (21) are buckled together via the buckles (313).

5. The cage-type safety relay socket board according to claim 2, characterized in that: The top surface of the bottom plate (1) is also provided with an annular groove (12) surrounding the plurality of first jacks (11); the bottom of the cage frame (2) is provided with an annular block (22) matching the annular groove (12); the annular block (22) is fixed in the annular groove (12) to fix the cage frame (2) on the top surface of the bottom plate (1).

6. The cage-type safety relay socket board according to claim 1, characterized in that: The bottom surface of the bottom plate (1) is also provided with a boss, the plurality of first insertion holes (11) pass through the boss, and the insertion spring (4) is hidden in the boss.

7. The cage-type safety relay socket board according to claim 2, characterized in that: The side edge of the housing (31) and the side edge of the second insertion hole (21) are both provided with chamfered portions for preventing reverse insertion.

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