CN219144624U

CN219144624U - PCB wiring terminal anti-loosening structure

Info

Publication number: CN219144624U
Application number: CN202223311743.XU
Authority: CN
Inventors: 王永兵
Original assignee: Suzhou Yingpuda Electronic Technology Co ltd
Current assignee: Suzhou Yingpuda Electronic Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-06
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses an anti-loosening structure of a PCB binding post, which belongs to the technical field of PCB binding posts and comprises a binding post assembly, wherein the binding post assembly comprises a terminal seat, a side limiting assembly and an anti-loosening terminal assembly, the terminal seat comprises a seat body, a limiting frame drawer, a rear limiting plate, a slot, a first magnetic attraction piece, a buckling groove and a buckling strip, the tail part of the seat body is integrally connected with the limiting frame drawer, the tail part opening part of the limiting frame drawer is integrally connected with the rear limiting plate, the inner side wall of the terminal seat is inserted with the anti-loosening terminal assembly, and the anti-loosening terminal assembly comprises a terminal body, a back frame, a limiting swivel, a second magnetic attraction piece, an inserting rod and a second spring.

Description

PCB wiring terminal anti-loosening structure

Technical Field

The utility model relates to the field of PCB wiring terminals, in particular to an anti-loosening structure of a PCB wiring terminal.

Background

The wire terminals used in printed wiring board electrical connections are known in the industry as PCB wire terminals or PCB connectors, an accessory product for making electrical connections, the standard PCB top head having no parts, also commonly referred to as "printed wiring board Printed Wiring Board (PWB)".

The patent number CN201921525233.8 discloses a PCB wiring terminal anti-loosening structure, and the anti-loosening piece is arranged on one side of a PCB positioning seat of a base and propped against the outer side of the PCB wiring terminal, when the PCB wiring terminal is mounted, the PCB wiring terminal is plugged onto a PCB, then the PCB wiring terminal is aligned with the position of the anti-loosening piece to clamp the PCB into the PCB positioning seat, if the PCB wiring terminal is not plugged in place, the PCB wiring terminal cannot be clamped into the PCB positioning seat, and only after the PCB wiring terminal is plugged in place again, the PCB wiring terminal cannot be clamped into the PCB positioning seat. Therefore, the PCB terminal can be ensured to be plugged in place, and the circuit connection is stable and reliable.

The PCB binding post anti-loosening structure disclosed in the above patent achieves the anti-loosening effect only through two clamping hooks on the clamping wire seat, and the PCB binding post is difficult to insert and easy to shake up and down and loosen even if the PCB binding post is inserted because the clamping hooks are stuck into the terminal interface of the clamping wire seat.

Disclosure of Invention

The utility model aims to provide an anti-loosening structure of a PCB wiring terminal, which has good anti-loosening effect through the combined action of a terminal seat, a side limiting assembly and an anti-loosening terminal assembly, and each wiring terminal is an independent unit and can be assembled for use according to requirements so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a PCB wiring end anti-loosening structure, includes the binding post assembly, the binding post assembly includes terminal seat, side limit subassembly and locking terminal subassembly, the terminal seat includes pedestal, spacing frame steamer tray, back limiting plate, slot, first magnetism inhale piece, buckle groove and buckle strip, pedestal afterbody integral type is connected with spacing frame steamer tray, spacing frame steamer tray afterbody opening part integral type is connected with back limiting plate, the terminal seat inside wall peg graft has the locking terminal subassembly that takes off, the locking terminal subassembly that takes off includes terminal body, back frame, spacing swivel, second magnetism inhale piece, inserted bar and second spring, side limit subassembly is all installed to spacing frame steamer tray inside wall upper portion left and right sides, side limit subassembly includes first spring, oblique piece and film.

As a further scheme of the utility model: the left side of the limit frame drawer is provided with a buckle groove, and the right side of the limit frame drawer is integrally connected with a buckle strip which can be connected with the buckle groove in an adaptive manner.

As a further scheme of the utility model: the upper portion has offered the slot in the middle of the back limiting plate, the piece is inhaled to first magnetism is installed to slot inside wall bottom, the inserted bar that can be connected with the slot adaptation is installed to spacing swivel afterbody, the piece is inhaled to the second magnetism that the magnetic pole is opposite with first magnetism is installed to the inserted bar lateral wall.

As a further scheme of the utility model: the bottom of the inclined sheet is integrally connected with a bottom sheet, and the outer side wall of the inclined sheet is connected to the inner side wall of the limit frame drawer through a first spring.

As a further scheme of the utility model: the back frame is installed at the back of the terminal body, and a limiting swivel is buckled on the inner side wall of the back frame.

As a further scheme of the utility model: the back frame is characterized in that a plurality of second springs are arranged on the inner side wall of the back frame, and the other ends of the second springs are connected with limiting swivel rings.

Compared with the prior art, the utility model has the beneficial effects that:

the anti-loosening structure of the PCB wiring terminal has good anti-loosening effect through the combined action of the terminal seat, the side limiting assembly and the anti-loosening terminal assembly, each wiring terminal is an independent unit and can be assembled for use according to requirements, and the problem that the PCB wiring terminal is difficult to insert and easy to shake up and down and loosen even if being inserted due to the fact that the clamping hooks are stuck to the terminal interface of the wire clamping seat only through the two clamping hooks on the wire clamping seat is solved.

Drawings

Fig. 1 is a schematic structural view of an anti-loosening structure of a PCB binding post according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of an anti-loosening terminal assembly of an anti-loosening structure of a PCB binding post according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of an anti-loosening terminal assembly of an anti-loosening structure of a PCB binding post according to an embodiment of the present utility model.

In the figure: 1. a terminal assembly; 101. a terminal base; 1011. a base; 1012. limiting frame drawer; 1013. a rear limiting plate; 1014. a slot; 1015. a first magnetic sheet; 1016. a buckle groove; 1017. a buckle strip; 102. a side limit assembly; 1021. a first spring; 1022. oblique slices; 1023. a negative; 103. an anti-loosening terminal assembly; 1031. a terminal body; 1032. a back frame; 1033. a limiting swivel; 1034. a second magnetic sheet; 1035. a rod; 1036. and a second spring.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of such embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Referring to fig. 1 to 4, in an embodiment of the present utility model, an anti-loosening structure for a PCB terminal includes a terminal assembly 1, the terminal assembly 1 includes a terminal base 101, a side limiting component 102 and an anti-loosening terminal component 103, the terminal base 101 includes a base 1011, a limiting frame drawer 1012, a rear limiting plate 1013, a slot 1014, a first magnetic piece 1015, a fastening slot 1016 and a fastening strip 1017, a tail portion of the base 1011 is integrally connected with the limiting frame drawer 1012, an opening at the tail portion of the limiting frame drawer 1012 is integrally connected with the rear limiting plate 1013, an anti-loosening terminal component 103 is inserted into an inner side wall of the terminal base 101, the anti-loosening terminal component 103 includes a terminal body 1031, a back frame 1032, a limiting swivel 1033, a second magnetic piece 1034, an inserting rod 1035 and a second spring 6, the left and right sides of an upper portion of the limiting frame drawer 1012 are respectively provided with the side limiting component 102, the side limiting component 102 includes a first spring 1021, a diagonal piece 1022 and a fastening strip 1017, and the anti-loosening structure for the terminal is capable of combining with the anti-loosening terminal according to the requirements of each independent terminal.

The left side of the limit frame drawer 1012 is provided with a buckling groove 1016, the right side of the limit frame drawer 1012 is integrally connected with a buckling strip 1017 which can be connected with the buckling groove 1016 in an adapting way, and when the limit frame drawer is required to be assembled and used, the buckling strip 1017 on the right side of the terminal seat 101 is directly slid into the buckling groove 1016 on the left side of the adjacent terminal seat 101; the middle upper part of the rear limit plate 1013 is provided with a slot 1014, the bottom of the inner side wall of the slot 1014 is provided with a first magnetic piece 1015, the tail part of the limit swivel 1033 is provided with a plug rod 1035 which can be connected with the slot 1014 in an adapting way, the outer side wall of the plug rod 1035 is provided with a second magnetic piece 1034 with the magnetic pole opposite to that of the first magnetic piece 1015, the first magnetic piece 1015 in the slot 1014 can firmly absorb the second magnetic piece 1034 on the outer side wall of the plug rod 1035, and the anti-loosening effect is good; the bottom of the inclined sheet 1022 is integrally connected with a bottom plate 1023, the outer side wall of the inclined sheet 1022 is connected to the inner side wall of the limit drawer 1012 through a first spring 1021, the limit swivel 1033 is pressed downwards, the limit swivel 1033 can slide downwards along the inclined sheet 1022, at the moment, the first spring 1021 is pressed and shortened until the limit swivel 1033 slides to the bottom of the side limit component 102, the first spring 1021 is rebounded and reset, and the limit swivel 1033 is limited by the bottom plate 1023; the back of the terminal body 1031 is provided with a back frame 1032, and the inner side wall of the back frame 1032 is buckled with a limit swivel 1033, so that the limit swivel 1033 can be conveniently rotated; the back frame 1032 is provided with a plurality of second springs 1036 on the inner side wall, the other end of the second springs 1036 is connected with a limit swivel 1033, and the second springs 1036 make the limit swivel 1033 rotate with a large force.

The working principle of the utility model is as follows: the anti-loosening structure of the PCB wiring terminal has good anti-loosening effect through the combined action of the terminal seat 101, the side limiting component 102 and the anti-loosening terminal component 103, each wiring terminal is an independent unit, the wiring terminal can be assembled for use according to the requirement, when the wiring terminal is required to be plugged, the limiting swivel 1033 is held by hand to rotate on the inner side wall of the back frame 1032 until the wiring terminal is perpendicular to the terminal body 1031, the second spring 1036 is pulled to stretch, the length of the terminal body 1031 is shortened, the wiring terminal can be smoothly plugged into the base 1011 from the inner side wall of the limiting frame, the holding limiting swivel 1033 is rotated, the limiting swivel 1033 is pulled back and reset by the resilience force of the second spring 1036, the limiting swivel 1033 is suspended on the side limiting component 102, the limiting swivel 1033 is pressed downwards, the limiting swivel 1033 can slide downwards along the inclined sheet 1022, at this time, the first spring 1021 is compressed and shortened until the limiting swivel 1033 slides to the bottom of the side limiting component 102, the first spring 1021 is rebound and reset, the limiting swivel 1033 is limited by the bottom plate 1023, so that the anti-loosening terminal component 103 is blocked in the limiting frame drawer 1012 and is difficult to move up and down, the inserting rod 1035 enters the slot 1014 in a proper manner, and the magnetic poles of the second magnetic piece 1034 on the outer side wall of the inserting rod 1035 are opposite to the magnetic poles of the first magnetic piece 1015 on the inner side wall of the slot 1014, so that the first magnetic piece 1015 in the slot 1014 can firmly absorb the second magnetic piece 1034 on the outer side wall of the inserting rod 1035, the anti-loosening effect is good, and when the terminal block is needed to be assembled and used, the fastening strip 1017 on the right side of the terminal block 101 is directly slid into the fastening slot 1016 on the left side of the adjacent terminal block 101.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A PCB wiring terminal anti-loosening structure is characterized in that: including the binding post assembly, the binding post assembly includes terminal seat, side limit subassembly and locking terminal subassembly that takes off, the terminal seat includes pedestal, spacing frame steamer tray, back limiting plate, slot, first magnetism inhale piece, buckle groove and buckle strip, pedestal afterbody integral type is connected with spacing frame steamer tray, spacing frame steamer tray afterbody opening part integral type is connected back limiting plate, the terminal seat inside wall peg graft has the locking terminal subassembly that takes off, the locking terminal subassembly that takes off includes terminal body, back frame, spacing swivel, second magnetism inhale piece, inserted bar and second spring, side limit subassembly is all installed to spacing frame steamer tray inside wall upper portion left and right sides, side limit subassembly includes first spring, inclined slice and film.

2. The anti-loosening structure of a PCB terminal according to claim 1, wherein: the left side of the limit frame drawer is provided with a buckle groove, and the right side of the limit frame drawer is integrally connected with a buckle strip which can be connected with the buckle groove in an adaptive manner.

3. The anti-loosening structure of a PCB terminal according to claim 1, wherein: the upper portion has offered the slot in the middle of the back limiting plate, the piece is inhaled to first magnetism is installed to slot inside wall bottom, the inserted bar that can be connected with the slot adaptation is installed to spacing swivel afterbody, the piece is inhaled to the second magnetism that the magnetic pole is opposite with first magnetism is installed to the inserted bar lateral wall.

4. The anti-loosening structure of a PCB terminal according to claim 1, wherein: the bottom of the inclined sheet is integrally connected with a bottom sheet, and the outer side wall of the inclined sheet is connected to the inner side wall of the limit frame drawer through a first spring.

5. The anti-loosening structure of a PCB terminal according to claim 1, wherein: the back frame is installed at the back of the terminal body, and a limiting swivel is buckled on the inner side wall of the back frame.

6. The anti-loosening structure of a PCB terminal according to claim 1, wherein: the back frame is characterized in that a plurality of second springs are arranged on the inner side wall of the back frame, and the other ends of the second springs are connected with limiting swivel rings.