Inertia inner lock catch line-to-board connector
Through the electrical connector designed with inertial inner lock, the inclined and right-angle structure, limiting columns and elastic hooks are used to solve the problem of poor contact of the electrical connector in the half-inserted state, and reliable terminal connection and prevent falling off. It is suitable for compact equipment.
Patent Information
- Application Number
- CN202422439049.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In the half-plug state, conventional electrical connectors may easily lead to poor contact between the terminal and the pin terminal, causing the board and wire terminal to fall off during use.
The inertial inner locking design is adopted, including the specific structure of the rubber shell and the plate end needle seat. The beveled and right angle design makes the rubber shell and the plate end needle seat instantly assemble in place, and ensures reliable contact between the terminal and the needle terminal through limiting columns and elastic hooks.
Reliable contact between the terminal and the pin terminal in a half-insert state is achieved, preventing falling off, and providing low insertion force requirements in a compact space, suitable for small and light connector designs.
Smart Images
Figure CN223218585U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connectors, in particular to an inertia inner locking wire-to-board connector. Background Art
[0002] Electrical connectors are crucial components in electronic devices, used to achieve electrical and signal connections. They are widely used in various applications, including consumer electronics, automobiles, industrial equipment, communication equipment, etc. Electrical connectors are a device used to connect circuits, usually consisting of plugs and sockets; their main function is to ensure the reliable transmission of electrical signals and power between different devices or circuits. Existing connectors are mostly a light, flexible and compact device interconnection solution, providing superior interconnection functions for the integration and modularization of the new generation of home appliances. Their products are mainly used in various home appliances, digital products and other products for electrical signal transmission lines, and have become an indispensable electronic component in most home appliances.
[0003] However, in a half-inserted state, that is, when the board wire pin terminal and the socket terminal are not fully inserted, it is easy for the terminal to contact the pin terminal. During testing, it is thought that the board wire end is assembled in place, so the board wire end falls off during the use of the finished product. Utility Model Content
[0004] In order to solve the problems mentioned in the above background technology, an inertial internal locking design is adopted, so that the plastic shell and the board end needle seat can be instantly assembled into place when they are snapped into place, which can solve the problem that the conventional structure cannot be half-inserted into place.
[0005] The technical solution of the present utility model is as follows: an inertia internal locking wire-to-board connector, comprising a plastic shell and a board end needle seat, a snap fastener being provided on one side of the plastic shell, the snap fastener being provided with a protrusion, and the two side surfaces of the protrusion along the length direction are inclined surfaces; a groove opening is provided on one side of the top of the board end needle seat, a step portion is provided on the side of the groove opening away from the top of the board end needle seat, the step portion being provided with a first bevel connected to the inner side of the side wall of the board end needle seat, and a second bevel being provided on one side of the step portion in the length direction close to the first bevel; the protrusion can be snapped into the groove opening.
[0006] Preferably, the fastener includes a pressing portion, the pressing portion is provided with a step groove, and the step groove is provided with a groove hole on a side close to the plastic shell.
[0007] Preferably, the inner side surface of the pressing portion is provided with a guide surface located on both sides of the groove hole.
[0008] Preferably, limiting columns are provided on both sides of the fastener, and corresponding limiting grooves are provided on the bottom of the needle seat at the plate end.
[0009] Preferably, a plurality of jacks are provided in the board end needle seat, and pin terminals are inserted into the jacks. The pin terminals are provided with a first bending portion and a second bending portion, the first bending portion abuts the top of the board end needle seat, and the board end needle seat is provided with a lower inclined surface below the first bending portion, and the second bending portion is used to connect the conductive part; a plurality of plug-in slots are provided in the plastic shell; a plurality of terminal assemblies are clamped in the plug-in slots, the terminal assemblies include terminals, the terminals include contact portions and wire pressing portions, and the pin terminals are inserted into the contact portions.
[0010] Preferably, two baffles are provided between the contact portion and the wire pressing portion, the baffles are higher than the plane of the contact portion, a column is provided in the plug-in slot, and the column is located between the two baffles; a limit plate is provided on the opposite side of the column, for abutting the side of the contact portion away from the baffle; a lock is clamped in the plastic shell, and the lock is provided with multiple card slots, the terminal assembly includes a wire, the wire is located in the card slot, and there are multiple fixing columns on one side of the card slot, and the fixing columns abut the baffle; when the plastic shell is not clamped with the plate end needle seat, the terminal and the pin terminal cannot contact.
[0011] Preferably, an elastic hook is provided on one side of the contact portion, and the elastic hook abuts against one side of the pin terminal.
[0012] Preferably, two clamping pieces are inserted on both sides of the plastic shell in the width direction.
[0013] Compared with the prior art, the present invention provides an inertia internal locking wire-to-board connector, which has at least one of the following beneficial effects:
[0014] 1. It adopts an inertial inner lock design, that is, the bottom of the board end needle seat adopts a right-angle design, the inner side adopts a continuous first bevel and second bevel design, and the protrusions on both sides of the plastic shell adopt a bevel design, so that the plastic shell and the board end needle seat can be assembled into place instantly when they are snapped into place, which can solve the problem of half-insertion of the conventional structure.
[0015] 2. The limit columns on both sides of the plastic shell are designed to be higher. When matching with the limit grooves of the board-end needle seat, the plastic shell can be prevented from being inserted reversely. When the plastic shell is blindly inserted obliquely, it can prevent the plastic shell from being inserted too much into the inner cavity of the board-end needle seat, thereby protecting the inner cavity needle terminals of the board-end needle seat; baffles on both sides are provided in the plug-in slot to form limiting interference with the columns to ensure that the terminals are assembled in place, which can realize the anti-reverse insertion function.
[0016] 3. An elastic hook is provided on one side of the contact portion, and the elastic hook abuts against one side of the pin terminal, so that the terminal is elastically stressed on one side. When the terminal and the pin terminal are mated and contacted, the elastic wall on one side of the terminal is stressed, which can achieve the requirement of low insertion force.
[0017] 4. Low cost, light and compact, suitable for smaller and more compact spaces. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] 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:
[0019] Figure 1 This is a three-dimensional diagram of the main viewing direction of an embodiment of the utility model.
[0020] Figure 2 It is a three-dimensional diagram of the embodiment of the utility model as viewed from the rear.
[0021] Figure 3 It is a cross-sectional view of an embodiment of the present invention.
[0022] Figure 4 for Figure 3 C-direction enlarged view.
[0023] Figure 5 It is a top view of the plastic shell of the embodiment of the present utility model.
[0024] Figure 6 for Figure 5 AA cross-section diagram.
[0025] Figure 7 for Figure 5 BB cross-section diagram.
[0026] Figure 8 This is a top view of the needle holder at the board end of an embodiment of the present utility model.
[0027] Figure 9 for Figure 8 DD cross-section diagram.
[0028] Figure 10 This is a three-dimensional diagram of a lock according to an embodiment of the present invention.
[0029] Reference numerals
[0030] 1- plastic shell; 11- latch; 12- raised part; 13- inclined surface; 14- pressing part; 141- guide surface; 15- stepped groove; 16- groove hole; 17- limiting column; 18- plug-in slot; 181- column; 182- limiting plate; 2- board end needle seat; 21- groove opening; 22- stepped part; 23- first bevel; 24- second bevel; 25- limiting groove; 26- plug-in hole; 27- lower inclined surface; 3- pin terminal; 31- first bending part; 32- second bending part; 4- terminal assembly; 41- terminal; 411- contact part; 412- pressing part; 413- baffle; 42- wire; 43- elastic hook; 5- locking piece; 51- slot opening; 52- fixing column; 6- latch; DETAILED DESCRIPTION
[0031] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0032] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of 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 rather merely represents selected embodiments of the present invention.
[0033] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.
[0034] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate 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.
[0035] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0036] like Figure 1 、 Figure 3 、 Figure 9As shown, it includes a plastic shell 1 and a board-end needle seat 2, and the plastic shell 1 is provided with a snap fastener 11 on one side, and the snap fastener 11 is provided with a protrusion 12, and the two side surfaces of the protrusion 12 along the length direction are inclined surfaces 13; the top side of the board-end needle seat 2 is provided with a groove opening 21, and the groove opening 21 is provided with a step portion 22 on the side away from the top of the board-end needle seat 2, and the step portion 22 is provided with a first bevel 23 connecting the inner side of the side wall of the board-end needle seat 2, and the step portion 22 is also provided with a second bevel 24 on the side close to the first bevel 23 in the length direction; the protrusion 12 can be snapped into the groove opening 21. Further, the bottom of the board-end needle seat 2 adopts a right-angle design, and the inner side adopts a continuous first bevel and second bevel design. The protrusion 12 of the plastic shell 1 adopts an inclined surface design on both sides, so that the plastic shell 1 and the board-end needle seat 2 can be instantly assembled into place when snapped into place, which can solve the problem that the conventional structure is half-inserted into place.
[0037] like Figures 3 to 8 As shown, the latch 11 includes a pressing portion 14, the pressing portion 14 is provided with a step groove 15, and the step groove 15 is provided with a groove hole 16 on the side close to the plastic shell 1; the inner side of the pressing portion 14 is provided with a guide surface 141, located on both sides of the groove hole 16; the latch 11 is provided with a limiting column 17 on both sides, and the bottom of the plate end needle seat 2 is provided with a corresponding limiting groove 25.
[0038] like Figures 1 to 10As shown, the board end needle seat 2 is provided with a plurality of jacks 26, and the jacks 26 are plugged with pin terminals 3, and the pin terminals 3 are provided with a first bending portion 31 and a second bending portion 32. The first bending portion 31 abuts against the top of the board end needle seat 2, and the board end needle seat is provided with a lower inclined surface 27 below the first bending portion 31, which can be pressed down into place when the pin terminal 3 is installed to ensure the stability of the first bending portion 31. The second bending portion 32 is used to connect the conductive member; the limit columns 17 on both sides of the plastic shell 1 are inserted The heightened design can prevent the reverse insertion of the plastic shell when mating with the limit groove 25 of the board end needle seat 2, and prevent the plastic shell 1 from being inserted too much into the inner cavity of the board end needle seat 2 when the plastic shell is blindly inserted obliquely, thereby protecting the pin terminal 3 in the inner cavity of the board end needle seat. The plastic shell 1 is provided with a plurality of plug-in slots 18, and a plurality of terminal assemblies 4 are clamped in the plug-in slots 18; the terminal assembly 4 includes a terminal 41, and the terminal 41 includes a contact portion 411 and a wire pressing portion 412, and the pin terminal 3 is plugged into the contact portion 411; Two baffles 413 are provided between the contact portion 411 and the wire pressing portion 412, and the baffles 413 are higher than the plane of the contact portion 411. A column 181 is provided in the plug-in slot 18, and the column 181 is located between the two baffles 413; a limit plate 182 is provided on the opposite side of the column 181, which is used to abut the side of the contact portion away from the baffle; baffles on both sides are provided in the plug-in slot to form a limiting interference with the column to ensure that the terminal is assembled in place and to achieve the anti-reverse insertion function; there is a card connected in the plastic shell 1 The locking member 5 is provided with a plurality of card slots 51, and the terminal assembly 4 includes a wire 42, and the wire 42 is located in the card slot 51. A plurality of fixing columns 52 are provided on one side of the card slot 51, and the fixing columns 52 abut against the baffle 413; when the plastic shell 1 is not connected with the board end needle seat 2, the terminal 41 cannot contact the pin terminal 3, that is, when the plastic shell 1 and the board end needle seat 2 are in a half-inserted state, the terminal 41 does not contact the pin terminal 3, thereby achieving half-insertion without conduction.
[0039] like Figure 3 、 Figure 4 As shown, an elastic hook 43 is provided on one side of the contact portion 411, and the elastic hook 43 abuts against one side of the pin terminal 3. The elastic hook 43 is provided on one side of the contact portion 411, and the elastic hook abuts against one side of the pin terminal, thereby applying elastic force to one side of the terminal 41. When the terminal 41 and the pin terminal 3 mate with each other, the elastic wall of the terminal 41 is applied to one side, thereby achieving the requirement of low insertion force. The plastic housing 1 is plugged with a clamp 6 on both sides along the width direction.
[0040] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
Claims
1. An inertial internal locking wire-to-board connector, comprising a plastic shell and a board-end pin header, characterized in that: A snap fastener is provided on one side of the plastic shell, and the snap fastener is provided with a protrusion, and the two side surfaces of the protrusion along the length direction are inclined surfaces; a groove opening is provided on one side of the top of the plate end needle seat, and a step portion is provided on the side of the groove opening away from the top of the plate end needle seat, and the step portion is provided with a first bevel connected to the inner side of the side wall of the plate end needle seat, and a second bevel is also provided on one side of the step portion in the length direction close to the first bevel; the protrusion can be snapped into the groove opening.
2. The inertia inner locking wire-to-board connector according to claim 1, wherein: The fastener comprises a pressing portion, the pressing portion is provided with a step groove, and the step groove is provided with a groove hole on a side close to the plastic shell.
3. The inertia inner locking wire-to-board connector according to claim 2, characterized in that: The inner side surface of the pressing portion is provided with a guide surface located on both sides of the groove hole.
4. The inertia internal locking wire-to-board connector according to claim 1, wherein: Limiting columns are provided on both sides of the fastener, and corresponding limiting grooves are provided at the bottom of the plate end needle seat.
5. The inertia inner locking wire-to-board connector according to claim 1, characterized in that: The board end needle seat is provided with a plurality of jacks, and pin terminals are inserted into the jacks. The pin terminals are provided with a first bending portion and a second bending portion. The first bending portion abuts the top of the board end needle seat, and the board end needle seat is provided with a lower inclined surface below the first bending portion, and the second bending portion is used to connect the conductive part; the plastic shell is provided with a plurality of plug-in slots; a plurality of terminal assemblies are clamped in the plug-in slots; the terminal assembly includes a terminal, and the terminal includes a contact portion and a wire pressing portion, and the pin terminal is inserted into the contact portion.
6. The inertia inner locking wire-to-board connector according to claim 5, characterized in that: Two baffles are provided between the contact portion and the wire pressing portion, and the baffles are higher than the plane of the contact portion. A column is provided in the plug-in slot, and the column is located between the two baffles; a limit plate is provided on the opposite side of the column, which is used to abut the side of the contact portion away from the baffle; a lock is clamped in the plastic shell, and the lock is provided with multiple card slots; the terminal assembly includes a wire, and the wire is located in the card slot. There are multiple fixing columns on one side of the card slot, and the fixing columns abut the baffle; when the plastic shell is not clamped with the board end needle seat, the terminal and the pin terminal cannot contact.
7. The inertia inner locking wire-to-board connector according to claim 6, characterized in that: An elastic hook is provided on one side of the contact portion, and the elastic hook abuts against one side of the pin terminal.
8. The inertia inner locking wire-to-board connector according to claim 1, characterized in that: The two sides of the plastic shell in the width direction are plugged with clamps.