Plug-in type wiring terminal

Abstract

The utility model discloses a plug-in type wiring terminal, which comprises a male plug-in unit, a female plug-in unit, a box body and a waterproof cover plate, the male plug-in unit and the female plug-in unit are arranged in the box body, and the lower end face of the waterproof cover plate and the upper end face of the box body are sealed through a waterproof strip; a plurality of first wiring terminals are arranged on the male plug-in unit, a conductive strip is integrally arranged at the right end of each first wiring terminal, a plurality of second wiring terminals are arranged on the female plug-in unit, a conductive plug bush is integrally arranged at the left end of each second wiring terminal, and a positioning bump is integrally arranged on the end face, aligned with the conductive strip, of the conductive plug bush. Positioning slots are formed in the positions, aligned with the conductive strips, of the positioning convex blocks, and after each conductive strip is inserted into the aligned conductive plug bush, the end part of the conductive strip is inserted into the aligned positioning slots; and the first magnet at the bottom of the female plug-in is adsorbed on the aligned first iron sheet. According to the technical scheme, the structural design is reasonable, the structure is simple, connection is reliable, the waterproof effect is good, and practicability is good.

Description

Technical Field

[0001] This utility model relates to the field of terminal block technology, and specifically to a plug-in terminal block. Background Technology

[0002] Terminal blocks are accessories used to achieve electrical connections. In industry, they are classified as connectors. With the increasing level of industrial automation and the increasingly stringent and precise requirements of industrial control, the usage of terminal blocks is gradually increasing. With the development of the electronics industry, the application range of terminal blocks is expanding, and the types are also increasing. In addition to PCB board terminals, the most widely used types include metal terminals, nut terminals, and spring terminals.

[0003] Plug-in terminal blocks are designed to connect two parts together, with a certain crimping area between them to ensure reliable contact and sufficient current flow. Terminal blocks are used in various applications. However, existing plug-in terminal block designs are flawed. Over time, the conductive metal contacts inside the terminal block can loosen, leading to poor contact and affecting usability. Furthermore, the screw areas for fixing the connecting wires in existing plug-in terminal blocks are often exposed, making them susceptible to rain and dust affecting circuit continuity. Additionally, the sealing at the external protective box interface is often inadequate, making them vulnerable to rain damage as well. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a plug-in terminal block with reasonable structural design, simple structure, reliable connection, good waterproof effect and good practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a plug-in terminal block, comprising a male plug, a female plug, a housing, and a waterproof cover, wherein both the male plug and the female plug are installed in the housing, characterized in that: a waterproof strip is provided between the upper end face of the housing and the lower end face of the waterproof cover, and the lower end face of the waterproof cover is sealed to the upper end face of the housing through the waterproof strip;

[0006] The male plug is provided with a plurality of first terminals, and each first terminal is integrally provided with a conductive strip on its right end. The female plug is provided with a plurality of second terminals, and each second terminal is integrally provided with a conductive sleeve on its left end. The conductive sleeve is integrally provided with a positioning protrusion on its end face aligned with the conductive strip. The positioning protrusion is provided with a positioning slot aligned with the position of the conductive strip. After each conductive strip is inserted into the aligned conductive sleeve, the end of the conductive strip is inserted into the aligned positioning slot.

[0007] The bottom of the female plug-in is provided with a limiting groove, and the inner bottom surface of the box body is provided with a limiting protrusion aligned with the positioning groove. The limiting protrusion is inserted into the aligned limiting groove. The bottom of the female plug-in is provided with a plurality of first magnet mounting slots, and a first magnet is fixedly installed in each first magnet mounting slot. The inner bottom surface of the box body is provided with a first iron plate mounting slot aligned with each first magnet position, and a first iron plate is fixedly installed in each first iron plate mounting slot. The first magnet at the bottom of the female plug-in is attracted to the aligned first iron plate.

[0008] The present invention is further configured such that: the right end of the male plug is provided with a plurality of rectangular protrusions, each rectangular protrusion is provided with a second magnet mounting groove at its right end, and a second magnet is fixedly installed in each second magnet mounting groove; the left end of the female plug is provided with a rectangular slot aligned with each rectangular protrusion, and a second iron plate is fixedly installed in each rectangular slot; after the rectangular protrusion is inserted into the aligned rectangular slot, the second magnet is attracted to the aligned second iron plate.

[0009] The present invention is further configured such that: a plurality of left elastic positioning blocks are fixedly arranged on the left inner wall of the box body, and the right end of the left elastic positioning block is connected to the left end face of the male plug-in; a plurality of right elastic positioning blocks are fixedly arranged on the right inner wall of the box body, and the right end of the right elastic positioning block is connected to the right end face of the female plug-in.

[0010] The present invention is further configured such that: the box body is rectangular in shape, and a number of left inlet holes are provided on the left end face of the box body. Each left inlet hole is provided with a left waterproof sealing ring, and a number of first sealing ring limiting protrusions are integrally provided at the inner port position of each left inlet hole.

[0011] The present invention is further configured such that: a plurality of right inlet through holes are provided on the right end face of the box body, and a right waterproof sealing ring is provided in each right inlet through hole, and a plurality of second sealing ring limiting protrusions are integrally provided at the inner port position of each right inlet through hole.

[0012] The present invention is further configured such that: the waterproof cover plate is rectangular in shape, the upper part of the outer surface of the box body is provided with several buckles, the edge of the waterproof cover plate is provided with several elastic connecting strips facing downward, each elastic connecting strip is provided with a snap-fit ​​through hole that matches the buckle, and the upper end of the box body is snapped and fixed to the waterproof cover plate by the buckles.

[0013] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has a reasonable structural design. The lower end face of the waterproof cover plate is sealed to the upper end face of the box body through the waterproof strip. A left waterproof sealing ring is provided in each left inlet hole, and a right waterproof sealing ring is provided in each right inlet hole, which makes this utility model have good sealing performance and good waterproof and dustproof effects. After each conductive strip of the male plug is inserted into the conductive sleeve aligned with the female plug, the end of the conductive strip is inserted into the aligned positioning slot, which makes the connection between the conductive strip and the conductive sleeve reliable and not easy to loosen. Moreover, after the rectangular protrusion on the male plug is inserted into the aligned rectangular slot on the female plug, the second magnet is attracted to the aligned second iron plate. The structure is simple, which makes the connection between the male plug and the female plug reliable and not easy to loosen. The conductive strip and the conductive sleeve have good contact and good practicality.

[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0016] Figure 2 This is a partial explosion diagram of an embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the assembly of the waterproof cover and the box body according to an embodiment of the present utility model. Detailed Implementation

[0018] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] See Figures 1 to 3 The present invention discloses a plug-in terminal block, including a male plug 1, a female plug 2, a housing 3 and a waterproof cover plate 4. The male plug 1 and the female plug 2 are both installed in the housing 3. A waterproof strip 5 is provided between the upper end face of the housing 3 and the lower end face of the waterproof cover plate 4. The lower end face of the waterproof cover plate 4 is sealed to the upper end face of the housing 1 through the waterproof strip 5.

[0020] The male plug-in 1 is provided with a plurality of first terminals 6, and each first terminal 6 is integrally provided with a conductive strip 61 on its right end. The female plug-in 2 is provided with a plurality of second terminals 7, and each second terminal 7 is integrally provided with a conductive sleeve 71 on its left end. The conductive sleeve 71 is integrally provided with a positioning protrusion 72 on its end face aligned with the conductive strip. The positioning protrusion 72 is provided with a positioning slot 721 aligned with the position of the conductive strip. After each conductive strip 61 is inserted into the aligned conductive sleeve 71, the end of the conductive strip 61 is inserted into the aligned positioning slot 721.

[0021] The bottom of the female plug-in 2 is provided with a limiting groove 21, and the inner bottom surface of the box body 3 is provided with a limiting protrusion 31 aligned with the positioning groove. The limiting protrusion 31 is inserted into the aligned limiting groove 21. The bottom of the female plug-in 2 is provided with a plurality of first magnet mounting slots 22, and a first magnet 8 is fixedly installed in each first magnet mounting slot 22. The inner bottom surface of the box body 3 is provided with a first iron plate mounting slot 32 aligned with each first magnet position, and a first iron plate 9 is fixedly installed in each first iron plate mounting slot 32. The first magnet 8 at the bottom of the female plug-in 2 is attracted to the aligned first iron plate 9.

[0022] Preferably, the waterproof strip 5 is made of rubber or silicone, and its upper end is bonded to the lower end of the waterproof cover plate 4; the number of the first terminal block 6 is set to two or more, and each first terminal block 6 is connected and fixed to the male plug-in 1 by screws or adhesive; the number of the second terminal block 7 is set to two or more, and each second terminal block 7 is connected and fixed to the female plug-in 2 by screws or adhesive; the number of the first magnet mounting slots 22 is 2-4, and the first magnet 8 is bonded to the inner wall of the aligned first magnet mounting slot 22 by nail-free adhesive, and the lower end of the first magnet 8 is flush with the bottom surface of the female plug-in 2; the first iron sheet 9 is bonded to the aligned first iron sheet mounting slot 32 by nail-free adhesive, and the upper end of the first iron sheet 9 is flush with the inner bottom surface of the box body 3; a handle 20 is integrally provided on the upper end of the female plug-in 2.

[0023] To make the structural design of this utility model more reasonable, as a preferred embodiment, the right end of the male plug 1 is provided with a plurality of rectangular protrusions 11, and the right end of each rectangular protrusion 11 is provided with a second magnet mounting groove 111. A second magnet 10 is fixedly installed in each second magnet mounting groove 111. The left end of the female plug 2 is aligned with the position of each rectangular protrusion and is provided with a rectangular slot 23. A second iron plate 12 is fixedly installed in each rectangular slot 23. After the rectangular protrusion 11 is inserted into the aligned rectangular slot 23, the second magnet 10 is attracted to the aligned second iron plate 12.

[0024] Preferably, the number of rectangular protrusions 11 on the right end of the male plug-in 1 is set to 2-4. If the number of rectangular protrusions 11 is set to 4, the rectangular protrusions 11 are distributed in a rectangular shape.

[0025] Several left elastic positioning blocks 13 are fixedly installed on the left inner wall of the box body 3, and the right end of the left elastic positioning block 13 is connected to the left end face of the male plug-in 1; several right elastic positioning blocks 14 are fixedly installed on the right inner wall of the box body 3, and the right end of the right elastic positioning block 14 is connected to the right end face of the female plug-in 2.

[0026] Preferably, the number of left elastic positioning blocks 13 is 2-4, and the left end face of each left elastic positioning block 13 is fixed to the left inner wall of the box body 3 by adhesive without nails; the number of right elastic positioning blocks 14 is 2-4, and the right end face of each right elastic positioning block 14 is fixed to the right inner wall of the box body 3 by adhesive without nails.

[0027] The box body 3 has a rectangular structure. Several left inlet holes 33 are provided on the left end face of the box body 3. Each left inlet hole 33 is provided with a left waterproof sealing ring 15. Several first sealing ring limiting protrusions 34 are integrally provided at the inner port position of each left inlet hole 15.

[0028] The right end face of the box body 3 is provided with a number of right inlet through holes 35. Each right inlet through hole 35 is provided with a right waterproof sealing ring 16, and each right inlet through hole 35 is provided with a number of second sealing ring limiting protrusions 36 integrally provided at the inner port position.

[0029] The waterproof cover plate 4 has a rectangular structure. Several buckles 37 are provided on the upper part of the outer surface of the box body 3. Several elastic connecting strips 41 are provided on the lower edge of the waterproof cover plate 4. Each elastic connecting strip 41 is provided with a snap-fit ​​through hole 411 that matches the buckle. The upper end of the box body 3 is snapped and fixed to the waterproof cover plate 4 by the buckles 37.

[0030] Preferably, the number of elastic connecting strips 41 is set to 2-4. When the number of elastic connecting strips 41 is set to 2, the elastic connecting strips 41 are symmetrically arranged; when the number of elastic connecting strips 41 is set to 4, the elastic connecting strips 41 are distributed in a rectangular shape.

[0031] In practical applications, the lower end face of the waterproof cover plate 4 is sealed to the upper end face of the box body 1 through the waterproof strip 5; a left waterproof sealing ring 15 is provided in each left inlet through hole 33; a right waterproof sealing ring 16 is provided in each right inlet through hole 35. The structure is reasonably designed, which makes the present invention have good sealing performance and good waterproof and dustproof effects; after each conductive strip 61 of the male plug 1 is inserted into the conductive sleeve 71 aligned with the female plug 2, the end of the conductive strip 61 is inserted into the aligned positioning slot 721, so that the conductive strip 61 and the conductive sleeve 71 are reliably connected and not easy to loosen; and after the rectangular protrusion 11 on the male plug 1 is inserted into the aligned rectangular slot 23 on the female plug 2, the second magnet 10 is attracted to the aligned second iron piece 12; the structure is simple, which makes the connection between the male plug 1 and the female plug 2 reliable and not easy to loosen, and the conductive strip 61 and the conductive sleeve 71 have good contact and good practicality.

[0032] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A plug-in terminal block, comprising a male plug (1), a female plug (2), a housing (3), and a waterproof cover (4), wherein the male plug (1) and the female plug (2) are both installed inside the housing (3), characterized in that: A waterproof strip (5) is provided between the upper end face of the box body (3) and the lower end face of the waterproof cover plate (4), and the lower end face of the waterproof cover plate (4) is sealed with the upper end face of the box body (3) through the waterproof strip (5). The male plug (1) is provided with a plurality of first terminals (6), and each first terminal (6) is provided with a conductive strip (61) integrally on the right end. The female plug (2) is provided with a plurality of second terminals (7), and each second terminal (7) is provided with a conductive sleeve (71) integrally on the left end. The conductive sleeve (71) is provided with a positioning protrusion (72) integrally on the end face of the conductive strip. The positioning protrusion (72) is provided with a positioning slot (721) aligned with the position of the conductive strip. After each conductive strip (61) is inserted into the aligned conductive sleeve (71), the end of the conductive strip (61) is inserted into the aligned positioning slot (721). The bottom of the mother plug (2) is provided with a limiting groove (21), and the inner bottom surface of the box (3) is provided with a limiting protrusion (31) aligned with the positioning groove. The limiting protrusion (31) is inserted into the aligned limiting groove (21). The bottom of the mother plug (2) is provided with a number of first magnet mounting slots (22). Each first magnet mounting slot (22) is fixedly provided with a first magnet (8). The inner bottom surface of the box (3) is provided with a first iron plate mounting slot (32) aligned with each first magnet. Each first iron plate mounting slot (32) is fixedly provided with a first iron plate (9). The first magnet (8) at the bottom of the mother plug (2) is attracted to the aligned first iron plate (9).

2. The plug-in terminal block according to claim 1, characterized in that: The male plug (1) has several rectangular protrusions (11) on its right end. Each rectangular protrusion (11) has a second magnet mounting slot (111) on its right end. Each second magnet mounting slot (111) has a second magnet (10) fixedly installed inside. The female plug (2) has a rectangular slot (23) on its left end facing each rectangular protrusion. Each rectangular slot (23) has a second iron plate (12) fixedly installed inside. After the rectangular protrusion (11) is inserted into the aligned rectangular slot (23), the second magnet (10) is attracted to the aligned second iron plate (12).

3. A plug-in terminal block according to claim 2, characterized in that: Several left elastic positioning blocks (13) are fixedly installed on the left inner wall of the box (3), and the right end of the left elastic positioning block (13) is connected to the left end face of the male plug (1); several right elastic positioning blocks (14) are fixedly installed on the right inner wall of the box (3), and the right end of the right elastic positioning block (14) is connected to the right end face of the female plug (2).

4. A plug-in terminal block according to claim 3, characterized in that: The box body (3) has a rectangular structure. Several left inlet holes (33) are provided on the left end face of the box body (3). A left waterproof sealing ring (15) is provided in each left inlet hole (33). Several first sealing ring limiting protrusions (34) are integrally provided at the inner port position of each left inlet hole (33).

5. A plug-in terminal block according to claim 4, characterized in that: The right end face of the box (3) is provided with a number of right inlet through holes (35), and a right waterproof sealing ring (16) is provided in each right inlet through hole (35). Furthermore, a number of second sealing ring limiting protrusions (36) are integrally provided at the inner port position of each right inlet through hole (35).

6. A plug-in terminal block according to claim 5, characterized in that: The waterproof cover plate (4) has a rectangular structure. Several buckles (37) are provided on the upper part of the outer surface of the box body (3). Several elastic connecting strips (41) are provided on the lower edge of the waterproof cover plate (4). Each elastic connecting strip (41) is provided with a snap-fit ​​through hole (411) that matches the buckle. The upper end of the box body (3) is snapped and fixed to the waterproof cover plate (4) by the buckles (37).

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