Small dustproof wiring terminal

Abstract

The utility model relates to the field of wiring terminals, in particular to a small dustproof wiring terminal, which comprises a plug assembly and a socket assembly, the plug assembly and the socket assembly are in a plug-in mode, the plug assembly comprises a plug base, and the socket assembly comprises a socket base. The plug base and the socket base are provided with a plurality of wire connecting cavities and adjusting holes, the adjusting holes are perpendicular to the wire connecting cavities, the number of the adjusting holes is consistent with that of the wire connecting cavities, the plug base and the socket base are each provided with a dustproof cover, and the dustproof covers are located above the adjusting holes. The two sides of the plug base and the two sides of the socket base are rotationally clamped respectively, and dust covers are arranged above the adjusting holes to prevent dust from entering the plug base and the socket base.

Description

Technical Field

[0001] The utility model belongs to the field of wiring terminals, in particular to a small dustproof wiring terminal. Background Art

[0002] The terminal block is an accessory product used to achieve electrical connection. It is used to facilitate the connection of wires. With the increasing degree of industrial automation and the increasingly stringent and precise requirements of industrial control, there are more and more types of terminal blocks. Among them, the plug-in terminal block is a common type of terminal block on the market. The terminal block is used to facilitate the connection of wires. It is actually a piece of metal sheet sealed in insulating plastic. There are holes at both ends for inserting wires, and screws for tightening or loosening. For example, two wires sometimes need to be connected and sometimes need to be disconnected. At this time, you can use terminals to connect them and disconnect them at any time without welding them or winding them together. It is very convenient and quick.

[0003] Most of the existing wiring terminals are placed outside. If they are left outside for too long, dust may easily enter the inside, resulting in excessive contact resistance. Utility Model Content

[0004] In order to solve the problems mentioned in the above background technology, a small dustproof terminal block is proposed, in which a dustproof cover is provided above the adjustment hole.

[0005] The technical solution of the utility model: a small dustproof terminal block, comprising a plug assembly and a socket assembly, the plug assembly and the socket assembly are in a plug-in form, the plug assembly comprises a plug base, the socket assembly comprises a socket base, the plug base and the socket base are provided with a plurality of wire connection cavities and adjustment holes, the adjustment holes are perpendicular to the wire connection cavities, and the number of the adjustment holes is consistent with the number of the wire connection cavities, characterized in that: the plug base and the socket base are both provided with dust covers, the dust covers are located above the adjustment holes, and are respectively rotatably clamped on both sides of the plug base and the socket base.

[0006] Preferably, the dust cover is provided with a slot on one side in the length direction, and the plug base and the socket base are both provided with corresponding convex bumps, and the slot can be buckled with the convex bumps.

[0007] Preferably, a plug terminal is provided in the plug assembly, a socket terminal is provided in the socket assembly, and both the plug assembly and the socket assembly are provided with a cover plate; the cover plate abuts against the plug base and the socket base respectively; a locking screw is provided in the adjustment hole, and the locking screw is connected to the positioning block.

[0008] Preferably, the cover plate is provided with a plurality of through holes; grooves are provided between the through holes; the cover plate is also provided with a partition plate, the plug base and the socket base are provided with corresponding partition plate grooves, and the partition plate is plugged into the partition plate groove.

[0009] Preferably, the plug terminal is provided with a plug pin, the socket terminal is provided with an elastic clip, and the elastic clip is provided with a conductive foot; a limiting groove is provided in the cover plate; the limiting groove limits the plug pin and the conductive foot respectively; the plug pin and the conductive foot respectively pass through the positioning block, and the locking screw is used to fix the external wire.

[0010] Preferably, a clamp is provided on the socket base, and the clamp is used to clamp the plug assembly.

[0011] Preferably, an electric-isolating plate is provided on the socket base, and an electric-isolating groove is provided on the plug base, wherein the electric-isolating plate is located in the electric-isolating groove; and an installation panel is provided on the socket base, and the installation panel plays a fixing role.

[0012] Preferably, the plug pins and the conductive pins are both provided with a plurality of strip grooves.

[0013] Preferably, the socket base is provided with a plurality of convex ribs around the socket terminal.

[0014] Compared with the prior art, the utility model provides a small dust-proof terminal block, which has at least one of the following beneficial effects:

[0015] 1. A dust cover is provided above the adjustment hole, which can prevent dust and also play an insulating role;

[0016] 2. Use cover plates to abut against plug terminals and socket terminals respectively, which improves the stability of the product;

[0017] 3. There are multiple strip grooves on the pins and conductive feet to prevent slipping when installing the wires;

[0018] 4. An isolation plate is provided on the socket base and an isolation groove is provided on the plug base, which further improves the electrical safety distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a cross-sectional view of the left side view of an embodiment of the utility model.

[0021] Figure 2 It is a three-dimensional diagram of an embodiment of the utility model.

[0022] Figure 3 for Figure 2 A partial enlarged cross-sectional view.

[0023] Figure 4 It is a three-dimensional diagram of the socket terminal according to an embodiment of the utility model.

[0024] Reference numerals

[0025] 1-plug assembly; 11-plug base; 12-wire connection cavity; 13-adjustment hole; 15-locking screw; 16-positioning block; 17-plug terminal; 172-pin; 18-electric isolation groove; 2-socket assembly; 21-socket base; 211-card; 212-installation panel; 22-convex bump; 23-socket terminal; 232-elastic clip; 233-conductive foot; 24-strip groove; 25-convex rib; 26-partition groove; 27-electric isolation plate; 3-cover plate; 31-through hole; 32-groove; 33-limiting groove; 34-partition; 4-dust cover; 41-card slot; DETAILED DESCRIPTION

[0026] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0028] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0031] like Figures 1 to 3 As shown, it includes a plug assembly 1 and a socket assembly 2, the plug assembly 1 and the socket assembly 2 are in a plug-in form, the plug assembly 1 includes a plug base 11, the socket assembly 2 includes a socket base 21, the plug base 11 and the socket base 21 are provided with a plurality of wire connection cavities 12 and adjustment holes 13, the adjustment holes 13 are perpendicular to the wire connection cavities 12, and the number of the adjustment holes 13 is consistent with the number of the wire connection cavities 12, the plug base 11 and the socket base 21 are both provided with a dust cover 4, the dust cover 4 is located above the adjustment hole 13, and is respectively rotated to clamp the two sides of the plug base 11 and the socket base 21, and is on the adjustment hole A dust cover 4 is provided on the side, which can play a role of dust prevention and insulation; the dust cover 14 is provided with a card slot 41 on one side in the length direction, and the plug base 11 and the socket base 21 are both provided with corresponding convex bumps 22, and the card slot 41 can be buckled with the convex bumps 22; a plug terminal 17 is provided in the plug assembly 1, and a socket terminal 23 is provided in the socket assembly 2, and a cover plate 3 is provided in the plug assembly 1 and the socket assembly 2; the cover plate 3 abuts against the plug base 11 and the socket base 21 respectively, thereby improving the stability of the product; a locking screw 15 is provided in the adjustment hole 13, and the locking screw 15 is connected to the positioning block 16.

[0032] like Figures 1 to 4As shown, the cover plate 3 is provided with a plurality of through holes 31; grooves 32 are provided between the through holes 31; the cover plate 3 is also provided with a partition 34, the plug base 11 and the socket base 21 are both provided with corresponding partition grooves 26, and the partition 34 is plugged into the partition groove 26; the plug terminal 17 is provided with a pin 172, the socket terminal 23 is provided with an elastic clip 232, and the elastic clip 232 is provided with a conductive foot 233; a limiting groove 33 is provided in the cover plate 3; the limiting groove 33 limits the pin 172 and the conductive foot 233 respectively; the pin 172 and the conductive foot 233 respectively penetrate the positioning block 16, the locking screw 15 is used to fix the external wire, the adjustment hole 13 is expanded on the basis of the existing threaded hole, and a through hole is formed to facilitate the installation of the locking screw 15; a clamp 211 is provided on the socket base 21, and the clamp 2 11 is used for clamping the plug assembly 1; the socket base 21 is provided with an insulating plate 27, and the plug base 11 is provided with an insulating groove 18, and the insulating plate 27 is located in the insulating groove 18; an insulating plate 27 is provided on the socket base 21, and an insulating groove 18 is provided on the plug base 11, which further improves the electrical safety distance; the socket base 21 is provided with a mounting panel 212, and the mounting panel 212 plays a fixing role, that is, the socket assembly is used for through-wall terminals, and the plug assembly is used for plug-in connection; the plug pin 172 and the conductive pin 233 are both provided with a plurality of strip grooves 24, and a plurality of strip grooves 24 are provided on the plug pin 172 and the conductive pin 233, which play an anti-slip role when installing the wire; the socket base 21 is provided with a plurality of convex ribs 25 on the periphery of the socket terminal 23, which are used to clamp and limit the socket terminal 23, thereby improving the stability of the socket terminal 23.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A small dustproof terminal block, comprising a plug assembly and a socket assembly, wherein the plug assembly and the socket assembly are in a plug-in form, the plug assembly comprises a plug base, the socket assembly comprises a socket base, the plug base and the socket base are provided with a plurality of wire connection cavities and adjustment holes, the adjustment holes are perpendicular to the wire connection cavities, and the number of the adjustment holes is consistent with the number of the wire connection cavities, characterized in that: The plug base and the socket base are both provided with dust covers, which are located above the adjustment hole and are respectively rotatably clamped on two sides of the plug base and the socket base.

2. The small dustproof terminal block according to claim 1, characterized in that: The dust cover is provided with a card slot on one side in the length direction, and the plug base and the socket base are both provided with corresponding convex bumps, and the card slot can be buckled with the convex bumps.

3. The small dustproof terminal block according to claim 1, characterized in that: The plug assembly is provided with a plug terminal, the socket assembly is provided with a socket terminal, and both the plug assembly and the socket assembly are provided with a cover plate; the cover plate abuts against the plug base and the socket base respectively; a locking screw is provided in the adjustment hole, and the locking screw is connected to the positioning block.

4. The small dustproof terminal block according to claim 3, characterized in that: The cover plate is provided with a plurality of through holes; grooves are provided between the through holes; the cover plate is also provided with a partition plate, and the plug base and the socket base are both provided with corresponding partition plate grooves, and the partition plate is plugged into the partition plate grooves.

5. The small dustproof terminal block according to claim 3, characterized in that: The plug terminal is provided with a plug pin, the socket terminal is provided with an elastic clip, and the elastic clip is provided with a conductive foot; a limiting groove is provided in the cover plate; the limiting groove limits the plug pin and the conductive foot respectively; the plug pin and the conductive foot respectively pass through the positioning block, and the locking screw is used to fix the external wire.

6. The small dustproof terminal block according to claim 1, characterized in that: The socket base is provided with a clamping piece, and the clamping piece is used for clamping the plug assembly.

7. The small dustproof terminal block according to claim 1, characterized in that: An electric-isolating plate is arranged on the socket base, and an electric-isolating groove is arranged on the plug base, wherein the electric-isolating plate is located in the electric-isolating groove; and an installation panel is arranged on the socket base, and the installation panel plays a fixing role.

8. The small dustproof terminal block according to claim 5, characterized in that: The plug pins and the conductive pins are both provided with a plurality of strip grooves.

9. The small dustproof terminal block according to claim 1, characterized in that: The socket base is provided with a plurality of convex ribs on the peripheral side of the socket terminal.

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