A signal terminal and a signal terminal combination structure

Abstract

The utility model relates to a kind of signal terminal and signal terminal combination structure, including base and plug-in terminal, plug-in terminal is detachably installed in base, base includes first shell and the first electric conductor installed in first shell, first shell is provided with input, plug-in terminal includes second shell and the second electric conductor installed in second shell, second electric conductor and first electric conductor plug-in cooperation, second shell is provided with output, the inside of input and output is all provided with elastic locking part, elastic locking part is provided with the locking arm for clamping wire, first shell and second shell are all provided with the release button for driving locking arm deflection when being pressed. Compared with prior art, the utility model has the advantages that: it can be quickly wired and connected reliably, improve wiring efficiency, and have higher expansibility.

Description

Technical Field

[0001] This utility model relates to the field of terminal blocks, and in particular to a signal terminal and a signal terminal assembly structure. Background Technology

[0002] In electrical systems, signal terminals are widely used for signal connections within or between devices. However, with the increasing number of devices and the diversification of signal requirements in electrical systems, the number and types of signal terminals have also increased, making equipment installation and maintenance more complex. When replacing or expanding equipment, technicians need to disconnect the old equipment from the signal terminals one by one and reconnect the new equipment to the signal terminals one by one, which is inconvenient, inefficient, and lacks scalability.

[0003] To address the aforementioned issues, some modularly designed signal terminals exist in the prior art. For example, Chinese patent document CN119764886A discloses a signal terminal block and a signal terminal block assembly structure. The signal terminal block includes a base and pluggable terminals, which are detachably mounted on the base. The base includes a first housing and a first conductor, and the pluggable terminals include a second housing and a second conductor. The first conductor has an input port and a plug-in interface; the input port is used for cable connection, and the second conductor has a conductive post and at least one output port. The conductive post is adapted to the plug-in interface, and the output port is used for connection to external devices. The signal terminal block assembly structure includes several signal terminals arranged side-by-side. This solution improves the flexibility and scalability of signal terminal disassembly through the plug-in connection method using the base and pluggable terminals. However, it does not disclose the wiring method between the input port of the first conductor and the output port of the second conductor and external cables and devices. The interface wiring generally uses screw crimping or device-level plug-in. Screw crimping requires tools, resulting in low operational efficiency; device-level plug-in connections lack reliability and are prone to accidental disconnection due to vibration or external force under complex operating conditions, leading to low safety.

[0004] In summary, existing modular signal terminals can solve the scalability problem and improve wiring efficiency to some extent. However, the interface wiring method has the problem that it is difficult to balance operational efficiency and connection reliability at the same time, and cannot meet the dual requirements of modern electrical systems for efficient operation and maintenance and safe operation. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a signal terminal and a signal terminal combination structure that enables quick wiring and reliable connection, improves wiring efficiency, and has high scalability.

[0006] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: A signal terminal, comprising: The base includes a first housing and a first conductor installed inside the first housing, the first housing being provided with an input port; A pluggable terminal is detachably mounted on the base and includes a second housing and a second conductor mounted in the second housing. The second conductor is plugged into and engaged with the first conductor. The second housing is provided with an output port. Both the input port and the output port are equipped with elastic locking components, and the elastic locking components are equipped with locking arms for clamping the wires. Both the first housing and the second housing are provided with a release button for driving the locking arm to deflect when pressure is applied.

[0007] The beneficial effects of this plan are:

[0008] (1) This utility model achieves rapid wiring and reliable connection through the synergistic effect of the elastic locking component and the release button. When the operator presses the release button, it drives the locking arm to deflect, reducing the clamping force of the elastic locking component on the wire, thus facilitating wire insertion and removal without the need for other tools. The elastic locking component provides a stable clamping force, effectively resisting connection loosening under dynamic conditions such as vibration, and is not easily disconnected by external forces, ensuring reliable connection. Furthermore, using the elastic locking component to assist in clamping the wire allows for the adoption of a plate-like structure for both the first and second conductors, significantly reducing production costs.

[0009] (2) The base and plug-in terminals adopt a modular separation design. The plug-in terminals can be detachably installed on the base, giving the entire signal terminal high flexibility and expandability.

[0010] Furthermore, the free end of the locking arm is provided with an inclined extending engagement portion, and the engagement portion forms a wedge-shaped space with an inwardly tapering cross-section between itself and the first conductor or the second conductor.

[0011] The beneficial effects of this solution are as follows: the wedge-shaped space formed between the locking part and the corresponding conductor can play a guiding and positioning role when the wire is inserted; then, the elastic deformation of the locking part further generates a greater clamping force, realizing self-locking of the wire.

[0012] Furthermore, the side of the locking arm extends to be provided with a side arm that is kinetically connected to the release button.

[0013] Furthermore, the elastic locking member has a bent portion in the middle to enhance its elasticity.

[0014] The beneficial effects of this solution are as follows: by setting a bending part in the middle of the elastic locking component, the stress distribution of the locking arm when it is deflected under force is optimized, the fatigue life of the elastic locking component is effectively improved, and the elastic locking component can provide a long-lasting and stable clamping force.

[0015] Furthermore, the end of the first conductor facing the input port is provided with a textured surface for increasing friction, and the textured surface is a plurality of spaced grooves.

[0016] Furthermore, the first housing is provided with a shorting port for accommodating the shorting component and a test port for accommodating the test component; The first conductor is provided with a shorting interface for connecting to the shorting component and a test interface for connecting to the test component.

[0017] Furthermore, the corners of the engaging portion facing the first conductor or the second conductor are constructed as sharp corners.

[0018] The beneficial effects of this solution are: by constructing the corners of the locking part as sharp angles, the sharp angles generate a pressure amplification effect when clamping the wire, which can effectively embed the wire locally into the surface of the wire, forming a mechanical interlock, preventing the wire from coming out, and improving the connection stability.

[0019] This utility model also provides a signal terminal assembly structure, including a plurality of the above-mentioned signal terminals arranged side by side; The two adjacent signal terminals are fastened to each other by snaps and slots provided on the second housing, and positioned to each other by positioning pins and positioning holes provided on the second housing.

[0020] Furthermore, it also includes a guide rail, and the bottom of the first housing is provided with a groove that is adapted to the guide rail.

[0021] Furthermore, the outermost signal terminal also includes a first cover plate mounted on the base and a second cover plate mounted on the plug-in terminal. The first cover plate and the second cover plate are fixedly connected by screws, and an auxiliary gripper is provided on the outer side wall of the second cover plate.

[0022] The beneficial effects of this solution are as follows: the auxiliary gripper set on the outer wall of the second cover plate enables the operator to quickly find the force application point when performing insertion and removal operations, reducing the difficulty of operation and further improving the convenience and safety of operation. Attached Figure Description

[0023] Figure 1 This is an exploded view of a signal terminal in this embodiment.

[0024] Figure 2This is a schematic diagram of the assembly structure of the signal terminals in this embodiment.

[0025] Figure 3 This is a schematic diagram of the elastic locking component in this embodiment.

[0026] Figure 4 This is a schematic diagram of the release button in this embodiment.

[0027] Figure 5 This is a schematic diagram of the structure of the first conductor in this embodiment.

[0028] Figure 6 This is a schematic diagram of the base structure in this embodiment.

[0029] Figure 7 This is a schematic diagram of the plug-in / plug-out terminal structure in this embodiment.

[0030] Figure 8 This is a schematic diagram of a signal terminal assembly structure according to this embodiment.

[0031] Figures 1-8 middle: 1. Base; 11. First housing; 111. Input port; 112. Shorting port; 113. Test port; 114. Slide groove; 12. First conductor; 121. Textured surface; 122. Shorting interface; 123. Test interface; 124. Plug-in part; 13. First cover plate; 2. Plug-in terminal; 21. Second housing; 211. Output port; 212. Snap-in; 213. Slot; 214. Positioning post; 215. Positioning hole; 22. Second conductor; 221. Plug-in interface; 23. Second cover plate; 231. Auxiliary gripper; 3. Elastic locking element; 31. Locking arm; 311. Engaging part; 3111. Corner; 312. Side arm; 32. Bending part; 4. Release button; 41. Connecting part; 5. Short-circuit components; 6. Test components; 7. Guide rail. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0033] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an integral connection, or a detachable connection; they can refer to the internal connection of two components; they can refer to a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0035] like Figure 1-2 As shown, a signal terminal in this embodiment includes a base 1 and a pluggable terminal 2, the pluggable terminal 2 being detachably mounted on the base 1. The base 1 includes a first housing 11 and a first conductor 12 mounted within the first housing 11, the first housing 11 being provided with an input port 111; the pluggable terminal 2 includes a second housing 21 and a second conductor 22 mounted within the second housing 21, the second housing 21 being provided with an output port 211. One end of the second conductor 22 and one end of the first conductor 12 are respectively located inside the output port 211 and the input port 111, the input port 111 being used to connect external cable wires, and the output port 211 being used to connect external device wires.

[0036] Preferably, in this embodiment, one end of the second conductor 22 is provided with a plug interface 221, and one end of the first conductor 12 is provided with a plug-in portion 124 adapted to the plug interface 221. The second conductor 22 and the first conductor 12 are plugged into each other at the disassembly / reassembly point of the plug-in terminal 2 and the base 1.

[0037] The advantage of this setup is that the base 1 and the plug-in terminal 2 adopt a modular and separate design, and the plug-in terminal 2 can be detachably installed on the base 1, giving the entire signal terminal a high degree of flexibility and scalability.

[0038] As a special feature of this embodiment, both the input port 111 and the output port 211 are provided with elastic locking members 3, and the elastic locking members 3 are provided with locking arms 31 for clamping the wires; both the first housing 11 and the second housing 21 are provided with release buttons 4 for driving the locking arms 31 to deflect when pressure is applied.

[0039] The advantage of this design is that the synergistic action of the elastic locking element 3 and the release button 4 enables quick wiring and reliable connection. When the operator presses the release button 4, it drives the locking arm 31 to deflect, reducing the clamping force of the elastic locking element 3 on the wire, thus facilitating wire insertion and removal without the need for additional tools. Meanwhile, the elastic locking element 3 provides a stable clamping force, effectively resisting loosening under dynamic conditions such as vibration, and is not easily disconnected by external forces, ensuring a reliable connection.

[0040] Preferably, in this embodiment, the first conductor 12 and the second conductor 22 are plate-shaped structures.

[0041] The advantage of this design is that the first conductor 12 and the second conductor 22 adopt a plate-like structure, which can be directly produced by stamping, greatly reducing production costs.

[0042] Preferably, in this embodiment, the structure of the elastic locking member 3 is as follows: Figure 3 As shown. The free end of the locking arm 31 is provided with an inclined extending engaging portion 311. As... Figure 2 As shown, a wedge-shaped space with an inwardly tapering cross-section is formed between the engaging part 311 and the first conductor 12 or the second conductor 22.

[0043] The advantage of this design is that the wedge-shaped space formed between the engaging part 311 and the corresponding conductor can guide and position the wire when it is inserted; then, the elastic deformation of the engaging part 311 generates a greater clamping force, thereby achieving self-locking of the wire and ensuring the stability of the connection.

[0044] Furthermore, in this embodiment, the corner 3111 of the engaging portion 311 facing the first conductor 12 or the second conductor 22 is constructed as a sharp corner.

[0045] The advantage of this design is that the corners 3111 of the engaging part 311 are constructed as sharp angles, which generate a pressure amplification effect when the sharp angles clamp the wire. This effectively embeds the wire into the surface of the wire locally, forming a mechanical interlock, preventing the wire from coming out, and improving the connection stability.

[0046] Preferably, in this embodiment, the elastic locking member 3 has a bent portion 32 in the middle for enhancing elasticity.

[0047] The advantage of this design is that the bending part 32 is provided in the middle of the elastic locking member 3, which optimizes the stress distribution of the locking arm 31 when it is deflected by force, effectively improves the fatigue life of the elastic locking member 3, and enables the elastic locking member 3 to provide a long-lasting and stable clamping force.

[0048] Preferably, in this embodiment, the locking arm 31 extends to the side and is provided with a side arm 312 that is throttle-connected to the release button 4. Furthermore, the side arm 312 abuts against the release button 4.

[0049] It should be noted that in this embodiment, the side arm 312 abuts against the release button 4, which is only a preferred embodiment. Those skilled in the art should understand that the side arm 312 abuts against the release button 4 in a fixed connection or other manner.

[0050] Preferably, in this embodiment, the structure of the release button 4 is as follows: Figure 4 As shown. The release button 4 has an L-shaped structure, with a connecting part 41 at the bottom that contacts and connects with the side arm 312. Further, in this embodiment, the structure of the release button 4 when installed in the first housing 11 or the second housing 21 is as follows. Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the upper surface of the release button 4 does not extend beyond the upper surface of the first housing 11 or the second housing 21.

[0051] The advantage of this setup is that it can prevent the connection from becoming loose due to the operator accidentally pressing the release button 4.

[0052] It should be noted that in this embodiment, the release button 4 has an L-shaped structure and the connecting part 41 is in contact with the side arm 312. This is only a preferred embodiment of this embodiment. Those skilled in the art should understand that the release button 4 can also have other structures, and the connecting part 41 and the side arm 312 can also be fixedly connected.

[0053] Preferably, in this embodiment, the structure of the first conductor 12 is as follows: Figure 5 As shown. The end of the first conductor 12 facing the input port 111 is provided with a textured surface 121 for increasing friction, and the textured surface 121 is a plurality of spaced grooves.

[0054] It should be noted that in this embodiment, the textured surface 121 is a plurality of spaced grooves, which is only a preferred embodiment of this embodiment. Those skilled in the art should understand that the textured surface 121 can also be a mesh surface, a dotted surface, or other shapes.

[0055] Preferably, in this embodiment, the structure of the first housing 11 is as follows: Figure 6 and Figure 8 As shown. The first housing 11 is provided with a shorting port 112 for accommodating the shorting assembly 5 and a test port 113 for accommodating the test assembly 6.

[0056] Furthermore, in this embodiment, the structure of the first conductor 12 is as follows: Figure 5 As shown. The first conductor 12 is provided with a shorting interface 122 for connecting to the shorting component 5 and a test interface 123 for connecting to the test component 6.

[0057] like Figure 8 As shown, a signal terminal assembly structure of this embodiment includes a plurality of signal terminals and guide rails 7 arranged side by side as described above. In this embodiment, the structure of the first housing 11 is as follows: Figure 1 , Figure 2 and Figure 6 As shown. The first housing 11 is provided with a sliding groove 114 that is adapted to the guide rail 7.

[0058] Preferably, in this embodiment, the structure of the second housing 21 is as follows: Figure 7 As shown. The second housing 21 is provided with a latch 212 and a slot 213 adapted to the latch 212. Two adjacent signal terminals are fastened to each other by the latch 212 and the slot 213. Further, in this embodiment, the second housing 21 is provided with a positioning post 214 and a positioning hole 215 adapted to the positioning post 214. Two adjacent signal terminals are positioned to each other by the positioning post 214 and the positioning hole 215.

[0059] Preferably, in this embodiment, the outermost signal terminal also includes a first cover plate 13 mounted on the base 1 and a second cover plate 23 mounted on the plug-in terminal 2. The first cover plate 13 and the second cover plate 23 are fixedly connected by screws, and an auxiliary gripper 231 is provided on the outer side wall of the second cover plate 23.

[0060] The advantage of this design is that by setting an auxiliary gripper 231 on the outer side wall of the second cover plate 23, the operator can quickly find the point of force application when performing insertion and removal operations, reducing the difficulty of operation and further improving the convenience and safety of operation.

[0061] It should be noted that the specific procedures for the actual operation of the signal terminal assembly structure are well known and mastered by those skilled in the art, and will not be described in detail in this embodiment. The number of signal terminals, the bridging of the shorting interface 122 between different signal terminals, and the connection of the test interface 123 can be adjusted according to actual field requirements.

[0062] In summary, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A signal terminal, characterized in that, include: The base (1) includes a first housing (11) and a first conductor (12) installed in the first housing (11). The first housing (11) is provided with an input port (111). A plug-in terminal (2) is detachably mounted on the base (1) and includes a second housing (21) and a second conductor (22) installed in the second housing (21). The second conductor (22) is plugged into the first conductor (12). The second housing (21) is provided with an output port (211). Both the input port (111) and the output port (211) are provided with elastic locking members (3), and the elastic locking members (3) are provided with locking arms (31) for clamping the wires. Both the first housing (11) and the second housing (21) are provided with a release button (4) for driving the locking arm (31) to deflect when pressure is applied.

2. The signal terminal according to claim 1, characterized in that, The free end of the locking arm (31) is provided with an inclined extending engagement portion (311), and the engagement portion (311) forms a wedge-shaped space with an inwardly narrowing cross section between the first conductor (12) or the second conductor (22).

3. The signal terminal according to claim 1, characterized in that, The locking arm (31) has a side arm (312) that is kinetically connected to the release button (4).

4. The signal terminal according to claim 1, characterized in that, The elastic locking member (3) has a bend (32) in the middle to enhance elasticity.

5. The signal terminal according to claim 1, characterized in that, The first conductor (12) has a textured surface (121) for increasing friction at one end facing the input port (111), and the textured surface (121) is a plurality of grooves spaced apart.

6. The signal terminal according to claim 1, characterized in that, The first housing (11) is provided with a shorting port (112) for accommodating the shorting assembly (5) and a test port (113) for accommodating the test assembly (6). The first conductor (12) is provided with a shorting interface (122) for connecting to the shorting component (5) and a test interface (123) for connecting to the test component (6).

7. The signal terminal according to claim 2, characterized in that, The corner (3111) of the engaging portion (3111) facing the first conductor (12) or the second conductor (22) is constructed as a sharp corner.

8. A signal terminal assembly structure, characterized in that, Includes a plurality of signal terminals arranged side by side as described in any one of claims 1-7; The two adjacent signal terminals are fastened to each other by a buckle (212) and a slot (213) provided on the second housing (21), and positioned to each other by a positioning post (214) and a positioning hole (215) provided on the second housing (21).

9. The signal terminal assembly structure according to claim 8, characterized in that, It also includes a guide rail (7), and the bottom of the first housing (11) is provided with a groove (114) that is adapted to the guide rail (7).

10. The signal terminal assembly structure according to claim 8, characterized in that, The outermost signal terminal also includes a first cover plate (13) mounted on the base (1) and a second cover plate (23) mounted on the plug-in terminal (2). The first cover plate (13) and the second cover plate (23) are fixedly connected by screws. An auxiliary gripper (231) is provided on the outer side wall of the second cover plate (23).

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