A connector terminal

Abstract

The utility model discloses a kind of connecting terminals, for frame circuit breaker.It includes the dynamic plug-in terminal and static plug-in terminal of plug-in cooperation;Dynamic plug-in terminal includes dynamic plug-in mounting seat and dynamic plug-in unit, dynamic plug-in mounting seat has dynamic plug-in mounting cavity, multiple dynamic plug-in units are loaded into dynamic plug-in mounting cavity and are locked by elastic buckle clamping, and elastic buckle has exposed unlocking part;The connecting terminal structure in the utility model is reasonably designed, wherein the assembly of dynamic plug-in terminal and static plug-in terminal is convenient and stable, and dynamic plug-in unit is easily disassembled from dynamic plug-in mounting seat, with good practicability and generalizability.

Description

Technical Field

[0001] This utility model belongs to the field of circuit breaker accessories, specifically relating to a connector terminal for a frame circuit breaker. Background Technology

[0002] Terminal blocks are key components in low-voltage electrical equipment such as circuit breakers, used to achieve the electrical connection of the main circuit. They are primarily used to realize a separable electrical connection between the circuit breaker body and the drawer base. Their reliability, ease of operation, and convenience of maintenance directly affect the operating efficiency and subsequent maintenance costs of the equipment. In existing technology, the commonly used terminal blocks on circuit breakers typically include moving terminals and stationary terminals that interlock. Moving terminals generally consist of a moving mounting base and multiple moving units arranged in parallel. These moving units are responsible for carrying the operating current and forming reliable electrical contact with the stationary terminals during insertion. However, the traditional moving terminal block structure has a significant drawback: the fixing method between the moving unit and the moving mounting base is usually quite rigid and irreversible, or the disassembly process is extremely cumbersome and difficult. This difficult-to-disassemble structure brings many inconveniences and problems in practical applications, especially during later maintenance, repair, or upgrades. Utility Model Content

[0003] In response, this utility model provides a connector terminal. After optimization, the movable connector terminal interface makes it easy to install and remove the movable connector unit.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] This utility model provides a connector terminal, including a movable connector terminal and a stationary connector terminal for mating; the movable connector terminal includes a movable connector mounting base and a movable connector unit, the movable connector mounting base has a movable connector mounting cavity, and multiple movable connector units are installed into the movable connector mounting cavity and locked by elastic buckles, the elastic buckles having an exposed unlocking part.

[0006] Preferably, the elastic buckle is disposed on the movable insertion unit, and the elastic buckle is engaged with the movable insertion mounting base; or, the elastic buckle is disposed on the movable insertion mounting base, and the elastic buckle is engaged with the movable insertion unit.

[0007] Preferably, the movable insertion mounting cavity is divided into multiple snap-fit ​​cavities by a partition, and the fixed ends of the multiple movable insertion units are inserted into the snap-fit ​​cavities one by one.

[0008] Preferably, both sides of each movable insertion unit are locked to the movable insertion mounting base by the elastic buckle.

[0009] Preferably, a fixing plate is fixed on the movable insertion mounting base by fasteners; the fixing plate is provided with positioning holes, and the movable insertion mounting base is provided with positioning protrusions that cooperate with the positioning holes.

[0010] Preferably, the snap-fit ​​cavity is a through structure, the inner wall of the snap-fit ​​cavity is provided with a first positioning structure, and the fixed end is provided with a corresponding second positioning structure. When the snap-fit ​​cavity is inserted into place, the first positioning structure and the second positioning structure form a positioning fit. One of the first positioning structure and the second positioning structure is a slot, and the other is a plug.

[0011] Preferably, the stationary terminal includes a stationary mounting base, a stationary unit, and a connecting strip. Multiple stationary units are arranged side by side, and the lower end of each stationary unit is snapped and fixed to the stationary mounting base through a snap-fit ​​structure. The connecting strip is arranged along the arrangement direction of the stationary units, and the upper end of each stationary unit is connected to the connecting strip.

[0012] Preferably, each stationary insertion unit is provided with a positioning insertion hole at its upper end, and the connecting strip is provided with a positioning insertion post that is inserted into each positioning insertion hole. The insertion direction of the positioning insertion post and the positioning insertion hole is perpendicular to the arrangement direction of the stationary insertion units.

[0013] Preferably, the upper surface of the stationary insertion unit is provided with a groove for accommodating the connecting strip, and the positioning insertion hole is provided on the bottom surface of the groove.

[0014] Preferably, the snap-fit ​​structure includes a first snap-fit ​​structure, a second snap-fit ​​structure, and a third snap-fit ​​structure. The lower ends of the stationary insertion unit are snap-fitted to the two sides of the stationary insertion mounting base through the first snap-fit ​​structure and the second snap-fit ​​structure, respectively. The lower middle part of the stationary insertion unit is snap-fitted to the stationary insertion mounting base through the third snap-fit ​​structure.

[0015] The advantages of this utility model are as follows: The structure of this utility model is optimized and reasonable. When assembling the moving plug terminal, multiple moving plug units can be independently installed into the moving plug mounting cavity and locked separately to form an integral module. Since the moving plug unit is locked in the moving plug mounting cavity by elastic buckle and has an exposed unlocking part, the elastic buckle provides a stable mechanical holding force in the locked state, ensuring that the moving plug unit will not loosen in a vibration environment. When it is necessary to replace or repair the moving plug unit, it is only necessary to press the unlocking part to deform the elastic buckle to release the buckle, and then the moving plug unit can be removed from the moving plug mounting base. Thus, in practical applications, it provides favorable conditions for the free disassembly and replacement of the moving plug unit. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art are briefly introduced below. Similar elements or parts in the drawings are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn to scale.

[0017] Figure 1 This is a schematic diagram of the connector terminal in the assembled state in this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the connector terminals shown in the disassembled state;

[0019] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle;

[0020] Figure 4 This is a schematic diagram of the movable plug terminal in this utility model;

[0021] Figure 5 for Figure 4 Exploded view of the movable plug terminal shown;

[0022] Figure 6 for Figure 4 A cross-sectional view of the movable plug terminal shown;

[0023] Figure 7 This is a front view of the stationary terminal block in this utility model;

[0024] Figure 8 For along Figure 7 A sectional view cut along the middle BB line;

[0025] Figure 9 This is an exploded view of the stationary terminal block in this utility model;

[0026] Figure 10 This is a partial view of the connecting strip in this utility model;

[0027] Figure 11 This is a schematic diagram of another type of stationary terminal block in this utility model.

[0028] The reference numerals in the figure are as follows: 1. Moving terminal; 11. Moving mounting base; 111. Moving mounting cavity; 112. Partition; 113. Snap-fit ​​cavity; 114. Positioning protrusion; 12. Moving unit; 120. Fixed end; 13. Elastic buckle; 130. Unlocking part; 14. Fixed plate; 141. Positioning hole; 15. Slot; 16. Insertion block; 2. Stationary terminal; 21. Stationary mounting base; 22. Stationary unit; 220. Positioning insertion hole; 221. Groove; 23. Connecting strip; 230. Positioning insertion post; 24. First snap-fit ​​structure; 25. Second snap-fit ​​structure; 26. Third snap-fit ​​structure. Detailed Implementation

[0029] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0030] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0031] The structure of the connector terminal in this embodiment of the utility model is as follows: Figures 1 to 10 As shown, it includes a movable plug terminal 1 and a stationary plug terminal 2 that are mated together; the movable plug terminal 1 includes a movable plug mounting base 11 and a movable plug unit 12. The movable plug mounting base 11 has a movable plug mounting cavity 111. Multiple movable plug units 12 are inserted into the movable plug mounting cavity 111 and locked by elastic buckles 13 to reliably fix the movable plug units 12 on the movable plug mounting base 11. The elastic buckles 13 have an exposed unlocking part 130. The purpose of exposing the unlocking part 130 is to facilitate pressing the elastic buckles 13 from the outside. During the unlocking operation, the elastic buckles 13 are deformed by applying pressure to the unlocking part 130 to release the lock between the movable plug unit 12 and the movable plug mounting base 11. With the structure in this embodiment, multiple movable insertion units 12 can be independently installed into the movable insertion mounting cavity 111 and locked separately during assembly to form an integral module. Since the movable insertion unit 12 is locked in the movable insertion mounting cavity 111 by the elastic buckle 13 and is provided with an exposed unlocking part 130, the elastic buckle 13 provides a stable mechanical holding force in the locked state to ensure that the movable insertion unit 12 does not loosen in a vibration environment. When it is necessary to replace or repair the movable insertion unit 12, it is only necessary to press the unlocking part 130 to deform the elastic buckle 13 to release the buckle, and then the movable insertion unit 12 can be removed from the movable insertion mounting base 11. This provides favorable conditions for the free disassembly and replacement of the movable insertion unit 12 in practical applications.

[0032] In this embodiment, the elastic buckle 13 is disposed on the movable insertion unit 12, and the elastic buckle 13 is engaged with the movable insertion mounting base 11; in another embodiment, the elastic buckle 13 is disposed on the movable insertion mounting base 11, and the elastic buckle 13 is engaged with the movable insertion unit 12; both of the above schemes can achieve the movable insertion unit 12 being engaged and locked with the movable insertion mounting base 11 by the elastic buckle 13.

[0033] See Figure 5 The movable insertion mounting cavity 111 is divided into multiple snap-fit ​​cavities 113 by a partition 112. The fixed ends 120 of the multiple movable insertion units 12 are inserted into the snap-fit ​​cavities 113 one by one. The snap-fit ​​cavities 113 can enhance the limiting of each movable insertion unit 12 and ensure that the movable insertion unit 12 is stably installed on the movable insertion mounting base 11.

[0034] Further, see Figure 6 As shown, in order to enhance the stability of each movable insertion unit 12 on the movable insertion mounting base 11, the opposite sides of each movable insertion unit 12 are locked to the movable insertion mounting base 11 by the elastic buckle 13.

[0035] Combination Figure 4 and Figure 5 As shown, a fixing plate 14 is fixed to the movable plug mounting base 11 by fasteners (such as screws). The fixing plate 14 is preferably made of stainless steel. When the movable plug terminal 1 is installed on the frame circuit breaker, the fixing plate 14 is fixedly connected to the circuit breaker body by screws. Furthermore, a positioning hole 141 is provided on the fixing plate 14, and a positioning protrusion 114 is provided on the movable plug mounting base 11. The positioning protrusion 114 and the positioning hole 141 cooperate to enhance the stability of the connection between the fixing plate 14 and the movable plug mounting base 11.

[0036] like Figure 5 and Figure 6 As shown, the snap-fit ​​cavity 113 is a through structure, with a first positioning structure on the inner wall of the snap-fit ​​cavity 113 and a corresponding second positioning structure on the fixed end 12. When the fixed end 120 is inserted into the snap-fit ​​cavity 113, the first positioning structure and the second positioning structure form a positioning fit. In this embodiment, the first positioning structure is a plug 16 and the second positioning structure is a slot 15. Thus, when the fixed end 120 is installed in the snap-fit ​​cavity 113, the plug 16 and the slot 15 form a plug-in fit, and the plug 16 and the corresponding end side wall of the slot 15 can abut against each other to form a stop and limit. As a modified embodiment, the first positioning structure can be set as the slot 15, and the second positioning structure can be set as the plug 16.

[0037] like Figures 7 to 10As shown, the stationary terminal 2 includes a stationary mounting base 21, stationary units 22, and a connecting strip 23. Multiple stationary units 22 are arranged side by side, and the lower end of each stationary unit 22 is fixedly engaged with the stationary mounting base 21 via a snap-fit ​​structure. The connecting strip 23 is arranged along the arrangement direction of the stationary units 22 (i.e., the length direction of the stationary terminal 2), and the upper end of each stationary unit 22 is connected to the connecting strip 23. With this structure, the lower ends of multiple stationary units 22 are fixedly connected to the stationary mounting base 21 via a snap-fit ​​structure; at the same time, the upper ends of all stationary units 22 are locked together via the connecting strip 23, which can effectively suppress micro-movements or offsets between the stationary units 22, so that the stationary terminal 2 forms a stable overall structure. Moreover, this assembly method is simple and efficient. In this embodiment, the stationary insertion unit 22 is provided with a conductive plate for connecting external wires. The stationary insertion terminal 2 can adopt a spring-loaded wire-pressing connection structure (i.e., the external wire is pressed onto the conductive plate by a spring), or it can adopt a screw-pressing connection structure (the external wire is pressed onto the conductive plate by tightening the wire-pressing screw, such as...). Figure 11 (As shown).

[0038] Further, see Figure 9 and Figure 10 Each stationary insertion unit 22 is provided with a positioning insertion hole 220 at its upper end. The connecting strip 23 is provided with a positioning insertion post 230 that is inserted into each positioning insertion hole 220. The insertion direction of the positioning insertion post 230 into the positioning insertion hole 220 is perpendicular to the arrangement direction of the stationary insertion units 22. Each stationary insertion unit 22 is connected to the positioning insertion hole 220 through the insertion of the positioning insertion post 230 into the positioning insertion hole 220, thereby keeping the upper ends of all stationary insertion units 22 tightly connected and making assembly convenient.

[0039] To prevent the connecting strip 23 from protruding from the surface of the stationary insertion unit 22, a groove 221 for accommodating the connecting strip 23 is provided on the upper surface of the stationary insertion unit 22, and the positioning insertion hole 220 is located on the bottom surface of the groove 221. Preferably, the thickness of the connecting strip 23 is matched with the depth of the groove 221, so that the surface of the stationary insertion terminal is relatively flat and aesthetically pleasing after the connecting strip 23 is installed.

[0040] Furthermore, the snap-fit ​​structure includes a first snap-fit ​​structure 24, a second snap-fit ​​structure 25, and a third snap-fit ​​structure 26. The lower ends of the stationary insertion unit 22 are respectively snapped and connected to the two sides of the stationary insertion mounting base 21 via the first snap-fit ​​structure 24 and the second snap-fit ​​structure 25. The lower middle part of the stationary insertion unit 22 is snapped and connected to the stationary insertion mounting base 21 via the third snap-fit ​​structure 26. The three different parts at the bottom of the stationary insertion unit 22 are reliably fixed to the stationary insertion mounting base 21 via the first snap-fit ​​structure 24, the second snap-fit ​​structure 25, and the third snap-fit ​​structure 26. For example, the first snap-fit ​​structure 24, the second snap-fit ​​structure 25, and the third snap-fit ​​structure 26 are hooks.

[0041] For those skilled in the art, other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, these obvious variations or modifications derived from the essential spirit of this invention still fall within the protection scope of this invention.

Claims

1. A connector terminal, comprising a movable terminal (1) and a stationary terminal (2) for mating; characterized in that, The movable terminal (1) includes a movable mounting base (11) and a movable unit (12). The movable mounting base (11) has a movable mounting cavity (111). Multiple movable units (12) are inserted into the movable mounting cavity (111) and locked by a snap-fit ​​(13). The snap-fit ​​(13) has an exposed unlocking part (130).

2. The connector terminal according to claim 1, characterized in that, The elastic buckle (13) is disposed on the movable insertion unit (12), and the elastic buckle (13) is engaged with the movable insertion mounting base (11); or, the elastic buckle (13) is disposed on the movable insertion mounting base (11), and the elastic buckle (13) is engaged with the movable insertion unit (12).

3. The connector terminal according to claim 1, characterized in that, The movable insertion mounting cavity (111) is divided by a partition (112) to form multiple snap-fit ​​cavities (113), and the fixed ends (120) of multiple movable insertion units (12) are installed into the snap-fit ​​cavities (113) one by one.

4. The connector terminal according to claim 1, characterized in that, Each movable insertion unit (12) is locked to the movable insertion mounting base (11) on both sides by the elastic buckle (13).

5. The connector terminal according to claim 1, characterized in that, A fixing plate (14) is fixed on the movable insertion mounting base (11) by fasteners; the fixing plate (14) is provided with a positioning hole (141), and the movable insertion mounting base (11) is provided with a positioning protrusion (114) that cooperates with the positioning hole (141).

6. The connector terminal according to claim 3, characterized in that, The snap-fit ​​cavity (113) is a through structure. The inner wall of the snap-fit ​​cavity (113) is provided with a first positioning structure, and the fixed end (120) is provided with a corresponding second positioning structure. When the fixed end (120) is inserted into the snap-fit ​​cavity (113), the first positioning structure and the second positioning structure form a positioning fit. One of the first positioning structure and the second positioning structure is a slot (15), and the other is a plug (16).

7. The connector terminal according to claim 1, characterized in that, The stationary terminal (2) includes a stationary mounting base (21), a stationary unit (22), and a connecting strip (23). Multiple stationary units (22) are arranged side by side, and the lower end of each stationary unit (22) is snapped and fixed to the stationary mounting base (21) through a snap-fit ​​structure. The connecting strip (23) is arranged along the arrangement direction of the stationary units (22), and the upper end of each stationary unit (22) is connected to the connecting strip (23).

8. The connector terminal according to claim 7, characterized in that, Each stationary insertion unit (22) is provided with a positioning insertion hole (220) at its upper end. The connecting strip (23) is provided with a positioning insertion post (230) that is inserted into each positioning insertion hole (220). The insertion direction of the positioning insertion post (230) and the positioning insertion hole (200) is perpendicular to the arrangement direction of the stationary insertion unit (22).

9. The connector terminal according to claim 7, characterized in that, The upper surface of the stationary insertion unit (22) is provided with a groove (221) for accommodating the connecting strip (23), and the positioning insertion hole (220) is provided on the bottom surface of the groove (221).

10. The connector terminal according to claim 7, characterized in that, The snap-fit ​​structure includes a first snap-fit ​​structure (24), a second snap-fit ​​structure (25), and a third snap-fit ​​structure (26). The lower ends of the stationary insertion unit (22) are snap-fitted to the two sides of the stationary insertion mounting base (21) through the first snap-fit ​​structure (24) and the second snap-fit ​​structure (25), respectively. The lower middle part of the stationary insertion unit (22) is snap-fitted to the stationary insertion mounting base (21) through the third snap-fit ​​structure (26).

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