CN112952423B - Board end connector and connector assembly - Google Patents
Board end connector and connector assembly Download PDFInfo
- Publication number
- CN112952423B CN112952423B CN202110171825.XA CN202110171825A CN112952423B CN 112952423 B CN112952423 B CN 112952423B CN 202110171825 A CN202110171825 A CN 202110171825A CN 112952423 B CN112952423 B CN 112952423B
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- insulator
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- groove
- connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
Abstract
The board end connector comprises a first insulator, a first electric connection part and a shell, wherein the first electric connection part is arranged in the first insulator, the shell is sleeved outside the first insulator, lock holes are respectively formed in a pair of opposite end faces of the shell, and a plug-in groove is formed between each end face and the first insulator. The board end connector can realize forward and reverse plug connection of the line end connector through the plug-in groove, so that the forward and reverse plug connection direction of the line end connector and the board end connector can be determined according to actual requirements on the premise of not changing the direction of the board end connector, pins of the board end connector can be arranged according to the same sequence, and wiring of a customer on a main board is facilitated.
Description
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a board end connector and a connector assembly.
Background
When the existing connector is plugged, only one inserting direction is usually reserved when the board-end connector is matched with the wire-end connector, when the board-end connector is placed on the main board, the wire-end connector is usually also provided with a corresponding inserting direction, and when the wire-end connector is reversely arranged on the main board by 180 degrees, the board-end connector is usually required to be rotated by 180 degrees to be matched with the corresponding inserting direction. When the board end connectors are in order to keep the PIN positions consistent, all the connectors need to be arranged in the same direction, wires are required to be led out in two directions in practical application, and when the cable led out direction required by the rightmost connector is towards the right, the wires are required to be bent to realize the application; the mode of the fold line can influence the performance of the wire, the matching height of the product is increased, and the elastic sheet is difficult to press, so that the cable is difficult to pull out; when the rightmost connector is turned 180 degrees for placement, the connector PIN definition may be different from the other connectors, resulting in system routing complications.
Accordingly, there is a need for a board end connector and connector assembly for enabling bi-directional blind mating that enables insertion of a line end into the board end connector in both forward and reverse directions while the board end connector may remain stationary.
Disclosure of Invention
The invention aims to provide a board end connector and a connector assembly, which can realize bidirectional blind insertion of the connector.
In order to achieve the above object, the present invention provides a board end connector, which comprises a first insulator, a first electrical connection portion and a housing, wherein the first electrical connection portion is disposed in the first insulator, the housing is sleeved outside the first insulator, a pair of opposite end surfaces of the housing are respectively provided with a locking hole, and a plugging slot is formed between each end surface and the first insulator.
Preferably, the lengths of a pair of the insertion grooves are different.
Preferably, the housing includes a first end face, a second end face, and a pair of side faces, and the pair of insertion grooves are respectively provided between the first end face and the first insulator and between the second end face and the first insulator.
Preferably, the first end face and the second end face each include a protruding portion and a pair of flat portions, the protruding portion is provided with the pair of flat portions, the flat portions are attached to the first insulator, and the insertion groove is formed between the protruding portion and the first insulator.
Preferably, a first elastic sheet is arranged on the straight part, a first elastic sheet groove is formed in the first insulator, and the first elastic sheet is clamped in the first elastic sheet groove.
Preferably, a pair of side surfaces of the housing are higher than the first end surface and the second end surface.
Preferably, a positioning structure is arranged on the outer side of one end of the first insulator, and the positioning structure is located on one side of the plugging groove.
Preferably, the positioning structure is a positioning groove or a positioning space.
Preferably, the first end face and the second end face are in a flat plate shape, the locating grooves are in a pair, the locating grooves are respectively located on two sides of the inserting groove and close to the side face of the shell, and the groove walls of the locating grooves are attached to the inner wall of the first end face.
Preferably, a pair of second spring plates are arranged on the first end face, a second spring plate groove is arranged on the groove wall of each positioning groove, and the second spring plates are clamped in the second spring plate grooves.
Preferably, a top portion of at least one of the first end face, the second end face, and the pair of side faces is provided with a guide portion bent outward.
Preferably, the side surface comprises a flat plate part and a pair of corner parts arranged at two ends of the flat plate part, the top edge of the flat plate part is provided with a first guide part which is bent outwards, and the top edge of the corner part is provided with a second guide part which is bent outwards.
Preferably, a pair of side surfaces of the shell are respectively provided with a positioning hole, two sides of the first insulator are respectively provided with a positioning protrusion, and the positioning protrusions are clamped in the positioning holes.
Preferably, a plurality of connecting arms are arranged at the bottoms of the side faces of the shell, supporting parts are respectively arranged at the bottoms of the two sides of the first insulator, and the supporting parts are located below the side faces of the shell and between the connecting arms.
Preferably, the first end face, the second end face, and a pair of the side faces of the housing are each higher than the first insulator.
The invention also provides a connector assembly, which comprises the board end connector and the wire end connector.
The wire end connector comprises a second insulator, a second electric connection part, a cable and a lock catch, wherein the second electric connection part is arranged in the second insulator, and one end of the cable is electrically connected with the second electric connection part;
the front end of the second insulator is provided with a protruding part extending towards the bottom end of the second insulator, the lock catch is arranged on the protruding part, and the surface of the lock catch is provided with a lock catch convex hull;
the rear end of the second insulator is provided with a first positioning column protruding towards the bottom end of the second insulator;
wherein, the protruding part and the first positioning column of the line end connector are respectively matched with one of the inserting grooves.
Preferably, the first positioning column and the protruding portion are in a flat plate shape, and the first positioning column is parallel to the protruding portion.
Preferably, the front end of the second insulator is provided with a second positioning column protruding towards the bottom end of the second insulator, and the second positioning column is located on the side face of the protruding part;
a positioning groove is formed in the outer side of one end of the first insulator, and the positioning groove is positioned on one side of the inserting groove;
the second positioning column can be inserted into the positioning groove.
Preferably, the second positioning posts are in a pair, and the pair of second positioning posts are respectively positioned at two sides of the protruding part.
Preferably, the width of the first positioning post is greater than the width of the protrusion.
Preferably, the rear end of the second insulator is provided with a second positioning column protruding towards the bottom end of the second insulator, and the second positioning column is positioned on the side surface of the first positioning column;
a positioning groove is formed in the outer side of one end of the first insulator, and the positioning groove is positioned on one side of the inserting groove;
the second positioning column can be inserted into the positioning groove.
Preferably, the second positioning columns are in a pair, and the second positioning columns are respectively positioned at two sides of the first positioning column.
Preferably, the width of the protruding portion is larger than the width of the first positioning column.
Preferably, the second insulator includes a docking portion for docking with the board-end connector, the second electrical connection portion is disposed in the docking portion, the docking portion is disposed between the protruding portion and the second positioning post, a first gap is formed between the docking portion and the protruding portion, and a second gap is formed between the docking portion and the first positioning post.
Preferably, the device further comprises a pull strap connected to the lock catch.
The invention relates to a board end connector, which has the beneficial effects that: the front and back grafting of the line end connector can be realized through a pair of grafting grooves, so that the front and back grafting direction of the line end connector and the board end connector can be determined according to actual requirements on the premise that the direction of the board end connector is not changed, pins of the board end connector can be arranged according to the same sequence, and wiring of a customer on a main board is facilitated.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic structural view of a board end connector according to an exemplary embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a connector assembly according to an exemplary embodiment of the present invention;
FIG. 3 illustrates a schematic diagram of a wire end connector in a connector assembly according to an exemplary embodiment of the present invention;
FIG. 4 illustrates another exemplary connector assembly configuration of the present invention;
fig. 5 illustrates a schematic structural view of a wire end connector in another exemplary connector assembly of the present invention;
fig. 6 shows a schematic structural view of a board end connector according to still another exemplary embodiment of the present invention;
fig. 7 shows a schematic structural view of yet another exemplary connector assembly of the present invention.
Reference numerals illustrate:
the cable comprises a first insulator 11, a supporting part 111, a first electric connection part 12, a housing 13, a plugging groove 131, a locking hole 132, a positioning groove 133, a protruding part 134, a first guiding part 135, a second guiding part 136, a first elastic piece 137, a second elastic piece 138, a positioning hole 139, a connecting arm 140, a second insulator 21, a protruding part 211, a first positioning column 212, a second positioning column 213, a second electric connection part 22, a cable 23, a latch 24 and a latch protruding part 241.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In order to solve the problems in the prior art, the invention provides a board end connector, which comprises a first insulator, a first electric connection part and a shell, wherein the first electric connection part is arranged in the first insulator, the shell is sleeved outside the first insulator, a pair of opposite end surfaces of the shell are respectively provided with a lock hole, and a plug-in groove is formed between each end surface and the first insulator.
The board end connector can realize forward and reverse plug connection of the line end connector through the pair of plug grooves, so that the forward and reverse plug connection direction of the line end connector and the board end connector can be determined according to actual requirements on the premise of not changing the direction of the board end connector, pins of the board end connector can be arranged according to the same sequence, and wiring of a customer on a main board is facilitated.
Preferably, the lengths of the pair of insertion grooves are not the same.
The lengths of the insertion grooves may be determined according to the size of the mating portion of the mating terminal connector, and the lengths of the pair of insertion grooves may be the same or different.
Preferably, the housing includes a first end face, a second end face, and a pair of side faces, and the pair of insertion grooves are provided between the first end face and the first insulator and between the second end face and the first insulator, respectively.
The inserting groove is used for being in butt joint with the wire end connector during inserting, the distance between each end face and the first insulator is adapted to the butt joint part of the wire end connector, and the distances can be equal or unequal according to actual design and use requirements.
The bottom of at least one pair of side of shell is equipped with grafting portion, and grafting portion is used for fixing a position grafting when installing with the product mainboard and uses.
The first insulator is made by insulating plastic, and first electric connection portion is the terminal, including first row terminal and second row terminal, every row terminal forms wholly through the terminal injection molding, and the middle part of first insulator is equipped with terminal fixed part and along the butt joint groove that the terminal fixed part outside set up, is equipped with plastic part or conductive plastic in the middle of two rows of terminals to place in the below of first insulator, one side of terminal fixed part is located to the one end of every row terminal, and the other end of every row terminal passes first insulator for with product mainboard welding and electric connection.
Preferably, the first end face and the second end face each include a protruding portion and a pair of flat portions, the protruding portion is disposed between the pair of flat portions, the flat portions are attached to the first insulator, and a plugging groove is formed between the protruding portion and the first insulator.
Preferably, the straight part is provided with a first elastic piece, the first insulator is provided with a first elastic piece groove, and the first elastic piece is clamped in the first elastic piece groove.
The first elastic sheet is matched with the first elastic sheet groove and used for pressing the first insulator and the shell.
Preferably, the pair of side surfaces of the housing are higher than the first end surface and the second end surface.
Preferably, a positioning structure is arranged on the outer side of one end of the first insulator, and the positioning structure is located on one side of the inserting groove.
Preferably, the positioning structure is a positioning groove or a positioning space.
Preferably, the first end face and the second end face are in a flat plate shape, the locating grooves are in a pair, the locating grooves are respectively located at two sides of the inserting groove and close to the side face of the shell, and the groove walls of the locating grooves are attached to the inner wall of the first end face.
The locating groove cooperates with the line end connector to play a fool-proof function, and the line end connector is prevented from being reversely inserted.
Preferably, a pair of second spring plates are arranged on the first end face, a second spring plate groove is arranged on the groove wall of each positioning groove, and the second spring plates are clamped in the second spring plate grooves. The second elastic sheet is matched with the second elastic sheet groove and used for pressing the first insulator and the shell.
Preferably, at least one of the first end face, the second end face and the pair of side faces is provided at a top portion thereof with a guide portion bent outward to facilitate insertion of the wire-end connector.
Preferably, the side surface comprises a flat plate part and a pair of corner parts arranged at two ends of the flat plate part, the top edge of the flat plate part is provided with a first guide part which is bent outwards, and the top edge of the corner part is provided with a second guide part which is bent outwards.
Preferably, a pair of side surfaces of the shell are respectively provided with a positioning hole, two sides of the first insulator are respectively provided with a positioning protrusion, and the positioning protrusions are clamped in the positioning holes, so that the first insulator and the shell are fixed conveniently.
Preferably, the bottom of the side face of the shell is provided with a plurality of connecting arms, the bottoms of the two sides of the first insulator are respectively provided with a supporting part, and the supporting parts are positioned below the side face of the shell and between the connecting arms. The connecting arm is used for being inserted with the product mainboard, and the supporting part is used for supporting the shell and has the positioning effect.
Preferably, the first end face, the second end face, and the pair of side faces of the housing are each higher than the first insulator.
The invention also provides a connector assembly, which comprises the board end connector and the wire end connector.
The wire end connector comprises a second insulator, a second electric connecting part, a cable and a lock catch, wherein the second electric connecting part is arranged in the second insulator, and one end of the cable is electrically connected with the second electric connecting part;
the front end of the second insulator is provided with a protruding part extending towards the bottom end of the second insulator, the lock catch is arranged on the protruding part, and the surface of the lock catch is provided with a lock catch convex hull;
the rear end of the second insulator is provided with a first positioning column protruding towards the bottom end of the second insulator;
the protruding part of the line end connector and the first positioning column are respectively matched with one inserting groove.
Preferably, the first positioning column and the protruding portion are in a flat plate shape, and the first positioning column is parallel to the protruding portion.
The first positioning column and the protruding part can be parallel or not parallel, and the first positioning column and the protruding part are determined according to actual requirements.
The second electric connection part is a terminal or a circuit board.
The pair of inserting grooves are used for being matched with the protruding part of the line end connector and the first positioning column, and the matching parts of the pair of inserting grooves are mutually exchanged during forward insertion and reverse insertion. The thickness of the pair of mating grooves may or may not be equal depending on the actual design and use requirements of the line end connector.
Preferably, the front end of the second insulator is provided with a second positioning column protruding towards the bottom end of the second insulator, and the second positioning column is positioned on the side surface of the protruding part;
a positioning groove is formed in the outer side of one end of the first insulator, and the positioning groove is positioned on one side of the inserting groove;
the second positioning column can be inserted into the positioning groove.
Preferably, the second positioning posts are in a pair, and the pair of second positioning posts are respectively positioned at two sides of the protruding part.
Preferably, the width of the first positioning post is greater than the width of the protrusion.
The second positioning column is used for being matched with the positioning groove to avoid reverse insertion, and when the second positioning column is positioned on the side face of the protruding part, the width of the inserting groove matched with the protruding part is smaller than that of the other inserting groove, so that the reverse insertion of the wire end connector is avoided.
Preferably, the rear end of the second insulator is provided with a second positioning column protruding towards the bottom end of the second insulator, and the second positioning column is positioned on the side surface of the first positioning column;
a positioning groove is formed in the outer side of one end of the first insulator, and the positioning groove is positioned on one side of the inserting groove;
the second positioning column can be inserted into the positioning groove.
Preferably, the second positioning columns are in a pair, and the pair of second positioning columns are respectively positioned at two sides of the first positioning column.
Preferably, the width of the protruding portion is larger than the width of the first positioning post.
When the second positioning column is positioned on the side face of the first positioning column, the width of the inserting groove matched with the first positioning column is smaller than that of the other inserting groove, so that the wire end connector is prevented from being reversely inserted.
When the elbow cable end connector positioned at the upper end of the product main board is used, the positioning groove is used for being matched with the positioning columns of the elbow cable end connector and the reverse elbow cable end connector, the positioning columns of the elbow cable end connector and the lock catch are positioned on the same side, and the positioning columns of the reverse elbow cable end connector and the connector outlet are positioned on the same side, namely on the same side as the first positioning columns.
Optionally, the protrusion of the elbow wire cable end connector is the same width as the first locator post of the reverse elbow wire cable end connector.
When the pins of the board-end connectors are arranged in the same direction, the wire-end connectors matched with the leftmost board-end connectors are required to be outgoing in the left direction, and the wire-end connectors matched with the rightmost board-end connectors are required to be outgoing in the right direction.
Preferably, the second positioning column is rectangular.
Preferably, the second insulator includes a docking portion for docking with the board-end connector, the second electrical connection portion is disposed in the docking portion, the docking portion is disposed between the protruding portion and the second positioning post, a first gap is formed between the docking portion and the protruding portion, and a second gap is formed between the docking portion and the first positioning post.
Preferably, the locking device further comprises a pull belt connected to the lock catch for pulling the lock catch to enable the lock catch convex hull to be separated from the lock hole for unlocking.
Example 1
As shown in fig. 1, the present invention provides a board-end connector, which includes a first insulator 11, a first electrical connection portion 12 and a housing 13, wherein the first electrical connection portion 12 is disposed in the first insulator 11, the housing 13 is sleeved outside the first insulator 11, a pair of opposite end surfaces of the housing 13 are respectively provided with a locking hole 132, and a plugging slot 131 is formed between each end surface and the first insulator 11. The lengths of the pair of insertion grooves 131 are different.
In the present embodiment, the housing 13 includes a first end face, a second end face, and a pair of side faces, and a pair of insertion grooves 131 are provided between the first end face and the first insulator 11 and between the second end face and the first insulator 11, respectively. The bottom of at least one pair of sides of the shell 13 is provided with a plug-in part, and the plug-in part is used for positioning and plug-in connection with a product main board during installation.
The first insulator 11 is made by insulating plastic, and first electric connection portion 12 is the terminal, including first row terminal and second row terminal, every row terminal forms wholly through the terminal injection molding, and the middle part of first insulator 11 is equipped with terminal fixed part and along the butt joint groove that the terminal fixed part outside set up, is equipped with plastic part or conductive plastic in the middle of two rows of terminals to place in the below of first insulator 11, one side of terminal fixed part is located to the one end of every row terminal, and the other end of every row terminal passes first insulator 11 for with product mainboard welding and electric connection.
The pair of side surfaces of the housing 13 is higher than the first end surface and the second end surface.
In this embodiment, a positioning structure is disposed on the outer side of one end of the first insulator 11, and the positioning structure is located on one side of the plugging slot 131. The positioning structure is a positioning groove 133.
The first end face and the second end face are in a flat plate shape, the locating grooves 133 are in a pair, the locating grooves 133 are respectively located on two sides of the inserting groove 131 and close to the side face of the shell 13, and the groove walls of the locating grooves 133 are attached to the inner wall of the first end face. The positioning groove 133 cooperates with the line-end connector to perform a fool-proof function, and prevent the line-end connector from being reversely inserted. The first end face is provided with a pair of second elastic pieces 138, the groove wall of each positioning groove 133 is provided with a second elastic piece groove, and the second elastic pieces 138 are clamped in the second elastic piece grooves. The second spring 138 cooperates with the second spring slot to compress the first insulator 11 and the housing 13.
In this embodiment, the top of at least one of the first end face, the second end face and the pair of side faces is provided with a guide portion bent outward to facilitate the insertion of the wire-end connector. The side includes flat plate portion and locates a pair of corner portion at flat plate portion both ends, and the top edge of flat plate portion is equipped with the first guide portion 135 of outside buckling, and the top edge of corner portion is equipped with the second guide portion 136 of outside buckling.
The shell 13 is provided with a pair of side surfaces respectively with a positioning hole 139, and the two sides of the first insulator 11 are respectively provided with a positioning protrusion which is clamped in the positioning hole 139, so that the first insulator 11 and the shell 13 are fixed conveniently.
The bottom of the side of the housing 13 is provided with a plurality of connecting arms 140, the bottoms of the two sides of the first insulator 11 are respectively provided with a supporting part 111, and the supporting parts 111 are positioned below the side of the housing 13 and between the plurality of connecting arms 140. The first end face, the second end face, and the pair of side faces of the housing 13 are each higher than the first insulator 11.
Example 2
As shown in fig. 2 and 3, the present invention provides a connector assembly including the board-end connector and the line-end connector of embodiment 1.
The wire end connector comprises a second insulator 21, a second electric connection part 22, a cable 23 and a lock catch 24, wherein the second electric connection part 22 is arranged in the second insulator 21, and one end of the cable 23 is electrically connected with the second electric connection part 22; the front end of the second insulator 21 is provided with a protruding part 211 extending towards the bottom end of the second insulator 21, a lock catch 24 is arranged on the protruding part 211, and the surface of the lock catch 24 is provided with a lock catch convex hull 241; the rear end of the second insulator 21 is provided with a first positioning column 212 protruding toward the bottom end of the second insulator 21; wherein the protruding portion 211 and the first positioning post 212 of the wire end connector are respectively matched with one inserting groove 131.
The first positioning column 212 and the protruding portion 211 are flat plates, and the first positioning column 212 is parallel to the protruding portion 111.
The second electrical connection 22 is a terminal.
The insertion grooves 131 are adapted to fit the protruding portion 211 and the first positioning post 212 of the line end connector, and the thickness of the pair of insertion grooves 131 is equal.
In the present embodiment, the front end of the second insulator 21 is provided with a second positioning column 213 protruding toward the bottom end of the second insulator 21, the second positioning column 213 being located on the side of the protruding portion 211; the second positioning post 213 can be inserted into the positioning groove 133. The second positioning columns 213 are a pair, and the pair of second positioning columns 213 are respectively located at two sides of the protruding portion 211. The width of the first positioning post 212 is greater than the width of the protrusion 211.
The second positioning post 213 is configured to cooperate with the positioning slot 133 to prevent reverse insertion, and when the second positioning post 213 is located on the side of the protruding portion 211, the width of the inserting slot 131 that cooperates with the protruding portion 211 is smaller than the width of the other inserting slot 131, so as to prevent reverse insertion of the terminal connector.
In this embodiment, the second positioning post 213 is rectangular.
In this embodiment, the second insulator 21 includes a mating portion for mating with the board-end connector, the second electrical connection portion 22 is disposed in the mating portion, the mating portion is disposed between the protruding portion 211 and the second positioning post 213, a first gap is formed between the mating portion and the protruding portion 211, and a second gap is formed between the mating portion and the first positioning post 212.
In this embodiment, the locking device further comprises a pull belt connected to the lock catch 24, and the pull belt is used for pulling the lock catch 24 to disengage the lock catch convex hull 241 from the lock hole 132 for unlocking.
Example 3
As shown in fig. 4 and 5, the connector assembly according to embodiment 3 is different from embodiment 2 in that the line end connector is a reverse bend connector. In the present embodiment, the rear end of the second insulator 21 is provided with a second positioning column 213 protruding toward the bottom end of the second insulator 21, the second positioning column 213 being located on the side of the first positioning column 212; a positioning groove 133 is arranged on the outer side of one end of the first insulator 11, and the positioning groove 133 is positioned on one side of the inserting groove 131; the second positioning post 213 can be inserted into the positioning groove 133. The second positioning columns 213 are a pair, and the pair of second positioning columns 213 are respectively located at two sides of the first positioning column 212. The width of the protruding portion 211 is greater than the width of the first positioning column 212.
When the second positioning column 213 is located at the side of the first positioning column 212, the width of the plugging slot 131 matched with the first positioning column 212 is smaller than the width of the other plugging slot 131, so as to prevent the wire end connector from being plugged reversely.
Example 4
As shown in fig. 6 and 7, the board-end connector according to embodiment 2 is different from embodiment 1 mainly in that in this embodiment, both the first end face and the second end face include a protruding portion 134 and a pair of flat portions, the protruding portion 134 is provided between the pair of flat portions, the flat portions are provided to be fitted to the first insulator 11, and a mating groove 131 is formed between the protruding portion 134 and the first insulator 11.
In this embodiment, the flat portion is provided with a first spring 137, the first insulator 11 is provided with a first spring slot, and the first spring 137 is clamped in the first spring slot. The first spring 137 cooperates with the first spring slot to compress the first insulator 11 and the housing 13.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (22)
1. The board end connector is characterized by comprising a first insulator (11), a first electric connection part (12) and a shell (13), wherein the first electric connection part (12) is arranged in the first insulator (11), the shell (13) is sleeved outside the first insulator (11), a pair of opposite end surfaces of the shell (13) are respectively provided with a lock hole (132), and a plug-in groove (131) is formed between each end surface and the first insulator (11);
a positioning structure is arranged on the outer side of one end of the first insulator (11), and the positioning structure is positioned on one side of the inserting groove (131);
the positioning structure is a positioning groove (133) or a positioning space;
the shell (13) comprises a first end face, a second end face and a pair of side faces, and the pair of inserting grooves (131) are respectively arranged between the first end face and the first insulator (11) and between the second end face and the first insulator (11);
the first end face and the second end face are in a flat plate shape, the locating grooves (133) are in a pair, the locating grooves (133) are respectively located on two sides of the inserting groove (131) and close to the side face of the shell (13), and the groove walls of the locating grooves (133) are attached to the inner wall of the first end face.
2. The board end connector according to claim 1, wherein the lengths of a pair of the insertion grooves (131) are different.
3. The board end connector of claim 1, wherein the first end face and the second end face are further: each of the plug connector comprises a protruding portion (134) and a pair of straight portions, wherein the protruding portion (134) is arranged between the pair of straight portions, the straight portions are attached to the first insulator (11), and a plug groove (131) is formed between the protruding portion (134) and the first insulator (11).
4. A board end connector according to claim 3, wherein the flat portion is provided with a first spring piece (137), the first insulator (11) is provided with a first spring piece groove, and the first spring piece (137) is clamped in the first spring piece groove.
5. The board end connector according to claim 1, wherein a pair of side surfaces of the housing (13) are higher than the first end surface and the second end surface.
6. The board-end connector according to claim 1, wherein a pair of second spring plates (138) are provided on the first end surface, a second spring plate groove is provided on a groove wall of each positioning groove (133), and the second spring plates (138) are clamped in the second spring plate grooves.
7. The board end connector of claim 1, wherein a top portion of at least one of said first end face, said second end face and a pair of said side faces is provided with a guide portion bent outward.
8. The board end connector of claim 7, wherein the side surface includes a flat plate portion and a pair of corner portions provided at both ends of the flat plate portion, a top edge of the flat plate portion is provided with a first guide portion (135) bent outward, and a top edge of the corner portion is provided with a second guide portion (136) bent outward.
9. The board end connector according to claim 1, wherein a pair of the side surfaces of the housing (13) are respectively provided with a positioning hole (139), and both sides of the first insulator (11) are respectively provided with positioning projections which are engaged with the positioning holes (139).
10. The board end connector according to claim 1, wherein the bottom of the side face of the housing (13) is provided with a plurality of connection arms (140), the bottoms of both sides of the first insulator (11) are respectively provided with a support portion (111), and the support portions (111) are located below the side face of the housing (13) and between the plurality of connection arms (140).
11. The board end connector according to claim 1, wherein the first end face, the second end face and a pair of the side faces of the housing (13) are each higher than the first insulator (11).
12. A connector assembly comprising a board end connector and a wire end connector according to any one of claims 1-11.
13. The connector assembly according to claim 12, wherein the line-end connector comprises a second insulator (21), a second electrical connection portion (22), a cable (23) and a latch (24), the second electrical connection portion (22) being provided within the second insulator (21), one end of the cable (23) being electrically connected to the second electrical connection portion (22);
the front end of the second insulator (21) is provided with a protruding part (211) extending towards the bottom end of the second insulator (21), the lock catch (24) is arranged on the protruding part (211), and the surface of the lock catch (24) is provided with a lock catch convex hull (241);
the rear end of the second insulator (21) is provided with a first positioning column (212) protruding towards the bottom end of the second insulator (21);
wherein the protruding part (211) and the first positioning column (212) of the line end connector are respectively matched with one inserting groove (131).
14. The connector assembly according to claim 13, wherein the first positioning post (212) and the protrusion (211) are plate-shaped, the first positioning post (212) being parallel to the protrusion (211).
15. Connector assembly according to claim 13, wherein the front end of the second insulator (21) is provided with a second positioning post (213) protruding towards the bottom end of the second insulator (21), the second positioning post (213) being located sideways of the protrusion (211);
a positioning groove (133) is formed in the outer side of one end of the first insulator (11), and the positioning groove (133) is positioned on one side of the inserting groove (131);
the second positioning column (213) can be inserted into the positioning groove (133).
16. The connector assembly according to claim 15, wherein the second positioning posts (213) are in a pair, the pair of second positioning posts (213) being located on both sides of the protruding portion (211), respectively.
17. The connector assembly of claim 15, wherein the first positioning post (212) has a width that is greater than a width of the protrusion (211).
18. The connector assembly according to claim 13, wherein the rear end of the second insulator (21) is provided with a second positioning post (213) protruding towards the bottom end of the second insulator (21), the second positioning post (213) being located sideways of the first positioning post (212);
a positioning groove (133) is formed in the outer side of one end of the first insulator (11), and the positioning groove (133) is positioned on one side of the inserting groove (131);
the second positioning column (213) can be inserted into the positioning groove (133).
19. The connector assembly of claim 18, wherein the second positioning posts (213) are in a pair, the pair of second positioning posts (213) being located on either side of the first positioning post (212).
20. The connector assembly according to claim 18, wherein the width of the protrusion (211) is greater than the width of the first positioning post (212).
21. The connector assembly of claim 15, wherein the second insulator (21) includes a mating portion for mating with a board-end connector, the second electrical connection portion (22) being disposed within the mating portion, the mating portion being disposed between the protrusion (211) and the second positioning post (213), a first gap being formed between the mating portion and the protrusion (211), and a second gap being formed between the mating portion and the first positioning post (212).
22. The connector assembly of claim 13, wherein the wire end connector further comprises a pull strap connected to the latch (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171825.XA CN112952423B (en) | 2021-02-08 | 2021-02-08 | Board end connector and connector assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171825.XA CN112952423B (en) | 2021-02-08 | 2021-02-08 | Board end connector and connector assembly |
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| Publication Number | Publication Date |
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| CN112952423A CN112952423A (en) | 2021-06-11 |
| CN112952423B true CN112952423B (en) | 2023-08-18 |
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| CN202110171825.XA Active CN112952423B (en) | 2021-02-08 | 2021-02-08 | Board end connector and connector assembly |
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| CN (1) | CN112952423B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11728585B2 (en) | 2020-06-17 | 2023-08-15 | Amphenol East Asia Ltd. | Compact electrical connector with shell bounding spaces for receiving mating protrusions |
| US11831092B2 (en) | 2020-07-28 | 2023-11-28 | Amphenol East Asia Ltd. | Compact electrical connector |
| US11569613B2 (en) | 2021-04-19 | 2023-01-31 | Amphenol East Asia Ltd. | Electrical connector having symmetrical docking holes |
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