CN218385863U

CN218385863U - Connector stacking structure

Info

Publication number: CN218385863U
Application number: CN202222149671.7U
Authority: CN
Inventors: 黎大飞
Original assignee: Dongguan Lstc Electronics Co ltd
Current assignee: Dongguan Lstc Electronics Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-24
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a connector field, concretely relates to connector stack structure, board end connector and line end connector including the looks adaptation, board end connector includes board end plastic casing, metal ear buckle, board end conductive terminal, board end plastic casing simultaneously is equipped with two connection chambeies of piling up arranging, and the another side is equipped with two symmetrical buckle chambeies of each other, line end connector includes line terminal plastic casing, line terminal conductive terminal, line end connector is equipped with grafting portion line terminal plastic casing both sides face is equipped with the pothook. The connection cavity is the mode of piling up and arranges, realizes that a board end connector can with a plurality of line end connector couplings, and horizontal overall arrangement space occupies for a short time, and grafting portion inserts and connects in the cavity, and its pothook is detained the lock with the metal ear and is connected, and the coupling power is detained and the buckle is undertaken by the metal ear, has avoided causing the damage to connecting the intracavity wall in plug operation process.

Description

Connector stacking structure

Technical Field

The utility model relates to a connector field, concretely relates to stacked structure of connector.

Background

The wire-to-board connector or female terminal element sold on the market at present is characterized in that a plurality of male terminals are connected with female terminals, multi-current integrated connection cannot be achieved due to the limitation of the space of a circuit board or a shell, multiple groups of connectors are required to be separated and borne when multiple circuits are used for connection, the operation is complex, the occupied transverse layout space of the circuit board is too large, and the miniaturization design application of the circuit board is limited.

In addition, two connectors are connected in a matching mode, the buckles of the connectors are mostly connected in a mode that plastic buckles are matched with plastic holes in a buckled mode, the plastic holes are limited by structural positions and are in strength after pouring, the plastic hole walls are easily damaged in the plugging and unplugging process, the coupling force between the two connectors is reduced, when vibration or impact is received, poor contact or electric connection disconnection is easily caused, even the male end connector falls off from the female end connector, communication between the connecting modules is enabled to be invalid, rework is caused, and the working efficiency is influenced.

In addition, receive horizontal a plurality of connectors space influence of arranging, female end connector connecting wire distributes and spans the too big arrangement of bundling and fixing of being not convenient for the wire of being convenient for, if carry out dismouting components of a whole that can function independently bundling to overall structure, its connection installation back also can influence the holistic steadiness and the connection effect of female terminal and public terminal, and its female end quantity increases, and the connector occupies more distribution space with the pencil simultaneously, and the practicality or the application of connecting are lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stacked structure of connector piles up the connection chamber of arranging through from top to bottom, reduces horizontal occupation space, and the board end connector can with a plurality of line end connector couplings, occupation space is few, and the plug in-process does not cause the damage to the plastic casing.

In order to achieve the above purpose, the utility model adopts the following scheme:

a connector stacking structure comprises a board end connector and a line end connector which are matched, wherein the board end connector comprises a board end plastic shell and a metal lug buckle, a board end conductive terminal is arranged, two connecting cavities which are stacked are formed in one side of the board end plastic shell, a partition plate is arranged between the two connecting cavities for separation, two mutually symmetrical clamping cavities are formed in the other side of the board end plastic shell, a plurality of uniformly arranged terminal cavities I are formed between the two clamping cavities, the clamping cavities and the terminal cavities I are communicated with the connecting cavities, the board end conductive terminal is inserted into the terminal cavity I, and the metal lug buckle is inserted into the clamping cavities for fixation;

furthermore, the terminal connector comprises a terminal end plastic shell and a terminal end conductive terminal, the terminal connector is provided with an inserting part, one side of the inserting part is provided with a plurality of terminal cavity II which are uniformly arranged, the terminal cavity II penetrates through the other side of the inserting part to form an inserting port, two side faces of the terminal end plastic shell are provided with clamping hooks, the terminal end conductive terminal is inserted into the terminal cavity II, the inserting part is inserted into the connecting cavity, and the clamping hooks are buckled with the metal ear buckles to form the coupling of the plate terminal connector and the terminal connector.

Clamping feet are arranged on two sides of the metal ear clip, an anti-withdrawal clamping hook and a clamping window are arranged on each clamping foot, positioning columns are arranged between the clamping feet, and symmetrical first sharp-prick clamping points are arranged on two sides of each positioning column;

the buckle cavity is communicated with the two connecting cavities, a positioning groove is formed in the buckle cavity, and an anti-withdrawal boss is further arranged in the buckle cavity;

the metal ear buckles are inserted into the two buckle cavities, the positioning columns of the metal ear buckles are inserted into the positioning grooves, the anti-withdrawal clamping hooks buckle the anti-withdrawal bosses, and the clamping windows on the clamping feet are positioned on two side surfaces of the connecting cavity to form buckling fixation of the metal ear buckles and the plate-end plastic shell;

when the plug part of the wire end connector is inserted into the connecting cavity, the clamping hooks at two sides of the plug part buckle the clamping windows at two side surfaces of the connecting cavity to form the coupling of the plate end connector and the wire end connector.

Specifically, the plate end conductive terminal is an L-shaped terminal and comprises a pin end and a pin end, the pin end and the pin end are vertically arranged, and a second spine clamping point and two raised clamping points are arranged on the pin end.

Specifically, the connection cavity is provided with a fool-proof groove I on one side, fool-proof grooves II on two side faces, fool-proof grooves III on two sides of the partition plate, and reinforcing ribs which are uniformly arranged are arranged between the fool-proof grooves III.

Specifically, one side of the plug part of the wire end connector is provided with a first fool-proof clamp matched with the first fool-proof groove, two side surfaces of the plug part of the wire end connector are provided with a second fool-proof clamp matched with the second fool-proof groove, and the other side of the plug part of the wire end connector is provided with a third fool-proof clamp matched with the third fool-proof groove.

Specifically, the terminal conductive terminal is a strip terminal, and a first contact elastic sheet, a second contact elastic sheet, a latch, a first compression joint and a second compression joint are sequentially arranged on the terminal conductive terminal.

Furthermore, the plate end connector both sides are equipped with the fixed orifices, the line end connector both sides still are equipped with presses the portion of pressing that is connected with the pothook, press the portion of pressing and be used for removing the coupled state of plate end connector and line end connector.

The utility model discloses beneficial effect who has:

1. the connection chamber of board end connector is the mode of piling up and arranges, realizes that a board end connector can with a plurality of line end connector couplings, and horizontal overall arrangement space occupies for a short time, is favorable to the miniaturized design of circuit board to be used, can carry out the independent assortment to circuit connection quantity and position demand and use, need not the arrangement in a bundle and fixed of the wire of being convenient for to connector dismouting components of a whole that can function independently.

2. The board end connector is buckled through setting up the fixed metal ear in buckle chamber, and the pothook on the line end connector is buckled and is located the card window of connecting the chamber, realizes the coupling of line end connector and board end connector, and the coupling power is undertaken by the metal ear knot, has avoided causing the damage to connecting the intracavity wall in plug operation process, improves the life of board end plastic casing, compact structure after the coupling, and is stable, and shock resistance is strong.

3. The connection cavity is internally provided with a fool-proof groove I, a fool-proof groove II and a fool-proof groove III which are different in distribution position, the insertion part is provided with a corresponding fool-proof card convex I, a fool-proof card convex II and a fool-proof card convex III, the insertion direction of the insertion part can be quickly positioned, and the pairing speed of the line end connector and the plate end connector is improved.

Drawings

Fig. 1 is a schematic diagram of an exploded structure of a plate end connector.

Fig. 2 is a schematic diagram of an exploded structure of the plate end connector.

Fig. 3 is a schematic front view of a plate end connector.

Fig. 4 is a schematic perspective view of the cable connector.

Fig. 5 is a schematic perspective view of a board terminal conductive terminal.

Fig. 6 is a schematic perspective view of a metal ear clip.

Fig. 7 is a front view of a metal ear clip.

Fig. 8 is a schematic perspective view of the wire end conductive terminal.

FIG. 9 is a schematic view of the assembly of the metal ear clip and the plastic housing at the plate end.

Fig. 10 is a schematic view of the coupling between the line end connector and the plate end connector.

Fig. 11 is a first cross-sectional view of the wire end connector and the plate end connector coupled together.

Fig. 12 is an enlarged view of a portion a in fig. 11.

FIG. 13 is a second cross-sectional view of the wire end connector and the plate end connector coupled together.

Fig. 14 is a schematic cross-sectional view three illustrating the coupling of the line-end connector and the plate-end connector.

Fig. 15 is an enlarged view of B in fig. 14.

The labels in the figure are: 1-plastic shell at board end; 2-wire end plastic shell; 3-metal ear buckles; 4-board end conductive terminals; 5-wire end conductive terminal; 6-a wire; 11-a connecting cavity; 12-a separator; 13-a snap cavity; 14-terminal cavity one; 15-reinforcing ribs; 16-fool-proof groove one; 17-fool-proof groove two; 18-fool-proof groove III; 19-a fixation hole; 21-a plug-in part; 22-terminal cavity two; 23-a socket; 24-hook; 25-a pressing part; 31-anti-back hook; 32-a card window; 33-a positioning column; 34-a first sharp point; 41-pin end; 42-pin end; 43-spine fastening point two; 44-raised stuck points; 51-contact spring piece one; 52-contact spring plate II; 53-locking; 54-a first pressure connection port; 55-a second compression joint; 131-a positioning groove; 132-anti-back boss; 211-fool-proof snap projection one; 212-fool-proof snap-boss two; 213-fool-proof convex three.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, a connector stacking structure includes a plate end connector and a line end connector that can be coupled to each other, where the plate end connector includes a plate end plastic housing 1, a metal lug buckle 3, and a plate end conductive terminal 4, where the plate end plastic housing 1 is provided with two connection cavities 11 stacked up and down, the two connection cavities 11 are separated by a partition plate 12, the partition plate 12 is provided with a reinforcing rib 15, the other surface of the partition plate is provided with two mutually symmetrical buckle cavities 13, a plurality of uniformly arranged terminal cavities 14 are provided between the two buckle cavities 13, the terminal cavities 14 are communicated with the connection cavities 11 (in the drawing, 52 terminal cavities one and 26 terminal cavities one are communicated), the plate end conductive terminal 4 is inserted into the terminal cavities one 14, and the metal lug buckle 3 is fixed in the inserted buckle cavity 13.

Specifically, referring to fig. 9 and 12, the fastening cavity 13 penetrates the upper and lower connecting cavities 11, a positioning groove 131 is disposed in the fastening cavity 13, and an anti-moving boss 132 is further disposed in the fastening cavity 13, as shown in fig. 6 and 7, two fastening legs are disposed on the metal ear fastener 3, the two fastening legs are distributed in an "n" shape, the fastening legs are provided with an anti-moving fastening hook 31 and a fastening window 32, a positioning column 33 is disposed between the fastening legs, and two sides of the positioning column 33 are provided with symmetrical first sharp fastening points 34.

When the metal ear clip 3 is inserted into the clip cavity 13, the positioning column 33 is inserted into the positioning groove 131 to position the insertion position of the metal ear clip 3, the anti-retreat hook 31 is stressed and contracted, and when the anti-retreat hook 31 moves to the anti-retreat boss 132, the anti-retreat boss 132 is buckled by the recovery deformation of the anti-retreat hook 31, and a clamping pin is positioned on the side surface of the connecting cavity 11 to complete the assembly of the metal ear clip 3 and the plate end plastic shell 1. When the positioning column 33 is inserted into the positioning groove 131, the first sharp point 34 thereon presses the inner wall of the positioning groove 131 to form an interference fit, so as to increase the anti-withdrawing force between the metal ear clip 3 and the plastic housing 1 at the plate end and increase the impact resistance.

In addition, connect the chamber 11 and can be 3 or be more than 3 and pile up the setting, the card foot that 3 were buckled to the metal ear can be M shape or many M font and arrange, buckle chamber 13 runs through 3 or 3 above connection chamber 11, realize 1 plate end connector and 3 or 3 above line end connector couplings, horizontal layout space occupies for a short time, be favorable to the miniaturized design of circuit board to be used, and can carry out the independent assortment to circuit connection quantity and position demand and use, be convenient for to wire arrangement and fixed tied in a bundle.

Referring to fig. 5, the board-end conductive terminals 4 are L-shaped terminals, and include pin ends 41 and pin ends 42, the pin ends 41 and the pin ends 42 are disposed perpendicularly, the pin ends 41 are provided with two sharp-prick fastening points 43 and protruding fastening points 44, the board-end conductive terminals 4 are riveted and inserted into the first terminal cavity 14 for fixation, the pin ends 41 penetrate through the first terminal cavity 14 and are located in the connecting cavity 11, the two sharp-prick fastening points 43 and the protruding fastening points 44 press the inner walls of the first terminal cavity 14 to form interference fit, so as to increase the anti-withdrawal force between the board-end conductive terminals 4 and the board-end plastic housing 1, and further increase the impact resistance.

Referring to fig. 4, the terminal connector includes a terminal plastic housing 2 and a terminal conductive terminal 5, the terminal connector is provided with an insertion portion 21, one side of the insertion portion 21 is provided with a plurality of terminal cavities two 22 (26 terminal cavities two 22 in the figure) which are uniformly arranged, the terminal cavities two 22 penetrate through the other side of the insertion portion 21 to form an insertion port 23, two sides of the insertion portion 21 are provided with hooks 24, and two side surfaces of the terminal plastic housing 2 are provided with pressing portions 25 connected with the hooks 24.

As shown in fig. 8, the wire end conductive terminal 5 is a strip terminal, and is sequentially provided with a first contact spring 51, a second contact spring 52, a latch 53, a first compression joint 54, and a second compression joint 55. One end of the terminal end conductive terminal 5 is connected with the lead 6 in a riveting mode, the other end of the terminal end conductive terminal is a port in a shape like a Chinese character 'kou', the first crimping port 54 and the second crimping port 55 are both of a C-shaped pressing structure, the first crimping port 54 is used for riveting the conductor of the lead 6 to form electric connection, and the second crimping port 55 is used for riveting the insulator part of the lead 6 to further fix the lead 6 and increase the tensile capacity.

Specifically, when the mouth-shaped port of the terminal conductive terminal 5 is inserted into the terminal cavity two 22, a clamping groove (not shown in the figure) is further arranged in the terminal cavity two 22, the clamping lock 53 is stressed to contract until the terminal conductive terminal 5 moves to the clamping groove position, the clamping lock 55 resets to buckle the clamping groove, the terminal conductive terminal 5 is fixed in the terminal cavity 22, the mouth-shaped port of the terminal conductive terminal is located at the insertion port 23 after the terminal conductive terminal is fixed, the contact elastic piece one 51 and the contact elastic piece two 52 are inward bent elastic pieces, and the cavity at the positions of the contact elastic piece one 51 and the contact elastic piece two 52 is smaller than the diameter of the pin end 41 of the board end conductive terminal 4.

As shown in fig. 1 and 3, the connection cavity 11 is provided with a first fool-proof groove 16, two sides of the connection cavity 11 are also provided with a second fool-proof groove 17, two sides of the partition plate 12 are provided with third fool-proof grooves 18, and the reinforcing ribs 15 are uniformly arranged between the third fool-proof grooves 18 to increase the strength of the partition plate 12.

One side of the wire end connector insertion part 21 is provided with a first fool-proof clamping protrusion 211 matched with the first fool-proof groove 16, two side surfaces are provided with second fool-proof clamping protrusions 212 matched with the second fool-proof grooves 17, the other side is provided with third fool-proof clamping protrusions 213 matched with the third fool-proof grooves 18, and the clamping hook 24 is positioned on the side surfaces of the second fool-proof clamping protrusions 212. When line end connector and plate end connector pair were connected, prevent that the protruding 211 of slow-witted card, prevent that slow-witted card are two protruding 212, prevent that slow-witted card is three 213 distribution positions are different, effective location grafting portion 21 inserts the 11 directions of connection chamber, realizes pegging graft fast and pairs, and grafting portion 21 and connection chamber 11 are interference fit, improve the anti-withdrawal force after connecting.

When the plug-in part 21 of the terminal connector is inserted into the connecting cavity 11, the pin end 41 of the terminal 4 is inserted into the cavity of the terminal 5 from the plug-in part 23, and the first contact spring 51 and the second contact spring 52 are spread apart, and the first contact spring 51 and the second contact spring 52 clamp the pin end 41 in a reactive manner, as shown in fig. 11 and 12, and form an electrical connection, so as to realize conduction between the conductive terminal 6 and the pin end 42.

Referring to fig. 13-15, the hooks 24 on both sides of the insertion portion 21 are stressed to contract until the hooks 24 move to the position of the locking windows 32, and then the locking windows 32 are reset to be fastened, so as to complete the coupling between the cable connector and the board-end connector, thereby preventing the internal of the board-end plastic shell from being damaged during long-term or violent plug-pull connection, and ensuring the service life of the plastic shell. And the metal ear clip 3 is fixed in the clip cavity 13 through the fastening structure, so that the assembly and disassembly are convenient, and the assembly and the later maintenance and replacement are convenient.

The accessible is pressed the splenium 25 of pressing of line end connector both sides, makes both sides pothook 24 break away from card window 32, removes the coupled state of line end connector and plate end connector, can realize quick plug, and is practical convenient.

The utility model discloses beneficial effect who has:

3. The connection cavity is internally provided with a fool-proof groove I, a fool-proof groove II and a fool-proof groove III which are distributed at different positions, the plug-in part is provided with a corresponding fool-proof card protruding I, a fool-proof card protruding II and a fool-proof card protruding III, the plug-in direction of the plug-in part can be quickly positioned, and the pairing speed of the line end connector and the board end connector is increased.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A connector stack comprising mated plate-end connectors and wire-end connectors, characterized in that: the plate end connector comprises a plate end plastic shell (1), metal ear buckles (3) and plate end conductive terminals (4), wherein two connecting cavities (11) which are arranged in a stacked mode are formed in one surface of the plate end plastic shell (1), a partition plate (12) is arranged between the two connecting cavities (11) for separation, two mutually symmetrical buckle cavities (13) are formed in the other surface of the plate end plastic shell, a plurality of uniformly arranged terminal cavities I (14) are formed between the two buckle cavities (13), the buckle cavities (13) and the terminal cavities I (14) are communicated with the connecting cavities (11), the plate end conductive terminals (4) are inserted into the terminal cavities I (14), and the metal ear buckles (3) are inserted into the buckle cavities (13) for fixation;

the terminal connector comprises a terminal connector plastic shell (2) and terminal conductive terminals (5), the terminal connector is provided with an inserting part (21), one side of the inserting part (21) is provided with a plurality of terminal cavity two (22) which are uniformly arranged, the other side of the terminal cavity two (22) penetrates through the inserting part (21) to form an inserting port (23), two side faces of the terminal connector plastic shell (2) are provided with clamping hooks (24), the terminal conductive terminals (5) are inserted into the terminal cavity two (22), the inserting part (21) is inserted into a connecting cavity (11), and the clamping hooks (24) are connected with metal ear buckles (3) in a buckling mode to form coupling of the plate terminal connector and the terminal connector.

2. A connector stack structure according to claim 1, wherein: clamping feet are arranged on two sides of the metal ear clip (3), an anti-withdrawal clamping hook (31) and a clamping window (32) are arranged on the clamping feet, a positioning column (33) is arranged between the clamping feet, and symmetrical first sharp-prick clamping points (34) are arranged on two sides of the positioning column (33);

the buckle cavity (13) penetrates through the two connecting cavities (11), a positioning groove (131) is formed in the buckle cavity (13), and an anti-withdrawal boss (132) is further arranged in the buckle cavity (13);

the metal ear buckles (3) are inserted into the two buckle cavities (13), the positioning columns (33) of the metal ear buckles (3) are inserted into the positioning grooves (131), the anti-withdrawing clamping hooks (31) clamp the anti-withdrawing bosses (132), and the clamping windows (32) on the clamping feet are positioned on two side surfaces of the connecting cavity (11) to form buckling fixation of the metal ear buckles (3) and the plate-end plastic shell (1);

when the plug part (21) of the line end connector is inserted into the connecting cavity (11), the clamping hooks (24) at two sides of the line end connector buckle the clamping windows (32) at two side surfaces of the connecting cavity (11) to form the coupling of the plate end connector and the line end connector.

3. The connector stack structure according to claim 1, wherein: the plate end conductive terminal (4) is an L-shaped terminal and comprises a pin end (41) and a pin end (42), the pin end (41) and the pin end (42) are vertically arranged, and a second spine clamping point (43) and a protruding clamping point (44) are arranged on the pin end (41).

4. A connector stack structure according to claim 1, wherein: the connecting cavity (11) is provided with a fool-proof groove I (16), fool-proof grooves II (17) are further arranged on two sides of the connecting cavity (11), fool-proof grooves III (18) are arranged on two sides of the partition board (12), and reinforcing ribs (15) which are uniformly arranged are arranged between the fool-proof grooves III (18).

5. A connector stack structure according to claim 1, wherein: one side of the wire end connector insertion part (21) is provided with a foolproof first clamping part (211) matched with the foolproof groove I (16), two side surfaces are provided with a foolproof second clamping part (212) matched with the foolproof groove II (17), and the other side is provided with a foolproof third clamping part (213) matched with the foolproof groove III (18).

6. A connector stack structure according to claim 1, wherein: the wire end conductive terminal (5) is a strip-shaped terminal, and a first contact elastic sheet (51), a second contact elastic sheet (52), a lock (53), a first compression joint (54) and a second compression joint (55) are sequentially arranged on the strip-shaped terminal.

7. A connector stack structure according to claim 1, wherein: the two sides of the plate end connector are also provided with fixing holes (19), the two sides of the line end connector are also provided with pressing parts (25) connected with the hooks (24), and the pressing parts (25) are used for releasing the coupling state of the plate end connector and the line end connector.