CN216598138U - Electrical connection device - Google Patents

Abstract

An electrical connection device comprises a substrate, two board end connectors, a first insulating shell, two wire end connectors and a second insulating shell. The two board end connectors are arranged on the substrate and are arranged along an arrangement direction. The first insulating shell accommodates the two plate end connectors. The two wire end connectors are used for being butted with the two plate end connectors. The second insulating shell accommodates the two wire end connectors, the two wire end connectors are arranged along the arrangement direction, gaps are respectively reserved between the two wire end connectors and the second insulating shell in the arrangement direction, and the two wire end connectors can float relative to the second insulating shell.

Description

Electrical connection device

Technical Field

The utility model relates to a connecting device especially relates to an electric connecting device.

Background

The present invention relates to a connecting device, and more particularly to an electrical connecting device.

A conventional cable connector includes a circuit board, a cable electrically connected to the circuit board, and an insulating coating covering an electrical connection portion between the circuit board and the cable. This line end connector can dock each other with the plate end connector who locates the base plate, however, when more than two line end connectors need dock each other with the plate end connector of more than two on the base plate, need be a plurality of line end connector inserts a plurality of one by one the plate end connector is comparatively inconvenient in the use.

SUMMERY OF THE UTILITY MODEL

It is therefore an object of the present invention to provide an electrical connector that overcomes at least one of the disadvantages of the prior art.

Thus, in some embodiments, the electrical connection device of the present invention comprises a substrate, two board end connectors, a first insulating housing, two wire end connectors, and a second insulating housing. The two board end connectors are arranged on the substrate and are arranged along an arrangement direction. The first insulating shell accommodates the two plate end connectors. The two wire end connectors are used for being butted with the two plate end connectors. The second insulating shell accommodates the two wire end connectors, the two wire end connectors are arranged along the arrangement direction, gaps are respectively reserved between the two wire end connectors and the second insulating shell in the arrangement direction, and the two wire end connectors can float relative to the second insulating shell.

In some embodiments, the substrate is a circuit board, and the two board-end connectors are disposed on the circuit board.

In some embodiments, the substrate includes two circuit boards, and the two board-end connectors are respectively disposed on the two circuit boards.

In some embodiments, each of the cable connectors includes at least one circuit board, at least one cable electrically connected to the at least one circuit board, and an insulating coating covering an electrical connection between the at least one circuit board and the at least one cable.

In some embodiments, each of the board-end connectors includes a housing disposed on the substrate, and at least one terminal module disposed on the housing, the housing having at least one insertion slot for inserting the at least one circuit board of the corresponding wire-end connector, the at least one terminal module including a plurality of terminals and a terminal fixing block disposed on the housing and holding the plurality of terminals, the plurality of terminals extending into the at least one insertion slot to electrically connect with the at least one circuit board.

In some embodiments, the first insulating housing has at least one first receiving groove for receiving the housings of the two plate-end connectors, and a plurality of first locking holes communicating with the at least one first receiving groove, and the housing of each of the plate-end connectors has a plurality of first locking blocks locked in the corresponding first locking holes.

In some embodiments, the housing of each of the plate-end connectors has at least one slot guide surface adjacent to the at least one insertion slot, and the at least one slot guide surface is used for guiding the plate-end connector and the wire-end connector to be aligned in the alignment direction during the process of abutting the plate-end connector and the wire-end connector.

In some embodiments, the second insulating housing has at least one second receiving slot for receiving the insulating coating of the two terminal connectors, and a plurality of second latching holes communicating with the at least one second receiving slot, the insulating coating of each terminal connector has a plurality of second latching blocks for latching the corresponding second latching holes, the insulating coating and the inner wall surface of the second receiving slot have a gap in the arrangement direction, and the second latching blocks and the inner wall surface of the second latching holes have a gap in the arrangement direction, so that the two terminal connectors can float in the arrangement direction relative to the second insulating housing.

In some embodiments, the second insulating housing has a receiving portion with a receiving cavity formed therein, the receiving cavity of the receiving portion is configured to receive at least a partial portion of the first insulating housing when the second insulating housing is mated with the first insulating housing, the receiving portion has at least one guiding surface adjacent to the receiving cavity and extending obliquely, and the at least one guiding surface is configured to guide the first insulating housing and the second insulating housing to be aligned in the alignment direction during the mating process of the first insulating housing and the second insulating housing.

The utility model discloses a this first insulation casing and this second insulation casing that can dock each other make this two board end connectors that are acceptd by this first insulation casing can dock each other counterpoint and electric connection ground in the lump with these two line end connectors that are acceptd by the second insulation casing respectively, and it is comparatively convenient in the use.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

fig. 1 is a perspective view of an embodiment of the electrical connection device of the present invention;

FIG. 2 is an exploded perspective view of the embodiment of FIG. 1;

FIG. 3 is an exploded perspective view of the embodiment of FIG. 2 from another perspective;

FIG. 4 is a further exploded perspective view of the base of FIG. 2;

FIG. 5 is an exploded perspective view of the embodiment of FIG. 4 from another perspective;

FIG. 6 is a cross-sectional view of the embodiment shown with the two plate end connectors received in the first insulative housing unmated with the two plate end connectors received in the second insulative housing;

FIG. 7 is a side view of the embodiment with the two plate end connectors received in the first insulative housing mated with the two plate end connectors received in the second insulative housing;

FIG. 8 is a cross-sectional view of the embodiment showing the two plate end connectors received in the first insulative housing mated with the two plate end connectors received in the second insulative housing;

fig. 9 is a perspective view of an alternative embodiment of the electrical connector of the present invention; and

fig. 10 is a perspective view of the variation of fig. 9 viewed from another viewing angle.

The reference numbers are as follows:

100 electric connection device

1 substrate

11 electrical contact

12 positioning hole

13 Circuit board

2 board end connector

21 casing

211 inserting groove

212 Assembly groove

213 positioning column

214 first fastening block

215 first groove guide surface

216 second groove guide surface

22 terminal module

221 terminal

222 terminal fixing block

3 first insulating case

31 first receiving groove

32 first fastening hole

4 wire end connector

41 Circuit Board

411 inserting part

412 electrical contact fingers

42 cable

43 insulating coating body

431 second buckle block

5 second insulating housing

51 second receiving groove

52 second latch hole

53 housing part

531 accommodating cavity

532 first guide surface

533 second guide surface

D1 vertical direction

D2 front-back direction

D3 left and right direction

G1 gap

G2 gap

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.

Referring to fig. 1 to 3, an embodiment of the electrical connection device 100 of the present invention includes a substrate 1, two board end connectors 2, a first insulating housing 3, two wire end connectors 4, and a second insulating housing 5. In other embodiments, the number of the plate-side connectors 2 may be three or more, and the number of the wire-side connectors 4 may be three or more, which is not limited to this embodiment.

Referring to fig. 1 to 5, the substrate 1 is, for example, a circuit board, and has a plurality of electrical contacts 11 and a plurality of positioning holes 12. The two board-side connectors 2 are arranged on the substrate 1 (i.e., on the circuit board) in an up-down direction D1 (arrangement direction, wherein the arrow direction is up and the reverse direction is back) and in a front-back direction D2 (wherein the arrow direction is front and the reverse direction is back). Each board-end connector 2 includes a housing 21 disposed on the substrate 1, and four terminal modules 22 disposed on the housing 21. The housing 21 has two insertion grooves 211 formed from the front end and arranged in a left-right direction D3 (wherein the arrow direction is right, and the reverse direction is left), two assembly grooves 212 formed from the rear end and respectively corresponding to the two insertion grooves 211, and a plurality of positioning posts 213 formed toward the rear and inserted into the positioning holes 12 of the substrate 1. Each of the terminal modules 22 includes a plurality of terminals 221 arranged along the left-right direction D3, and a terminal fixing block 222 holding the plurality of terminals 221 and disposed in the assembling groove 212 of the housing 21. The four terminal modules 22 are grouped into two groups, the two terminal modules 22 in each group of terminal modules 22 are opposite to each other along the up-down direction D1, and the terminal fixing blocks 222 of the two groups of terminal modules 22 are respectively disposed in the two groups of mounting slots 212 of the housing 21. The front ends of the terminals 221 of the four terminal modules 22 extend into the corresponding insertion grooves 211, and the rear ends are electrically connected to the electrical contacts 11 of the substrate 1 by soldering or the like. It is understood that the number of the inserting slots 211, the assembling slots 212 and the terminal modules 22 can be adjusted according to the requirement, and should not be limited to the number in this embodiment.

The first insulating housing 3 is used to accommodate the two board-end connectors 2, the first insulating housing 3 has two first receiving slots 31 respectively receiving the housings 21 of the two board-end connectors 2 and communicating with each other up and down, and a plurality of first locking holes 32 communicating with the two first receiving slots 31, in this embodiment, the plurality of first locking holes 32 are respectively penetratingly formed at the top and bottom of the first insulating housing 3, but the plurality of first locking holes 32 may be formed at other positions of the first insulating housing 3 in other embodiments, which should not be limited in this embodiment. In other embodiments, the first insulating housing 3 may have only one first receiving groove 31 for simultaneously receiving the housings 21 of the two plate-end connectors 2, and this embodiment should not be limited thereto. The housing 21 of each plate-end connector 2 further has a plurality of first locking blocks 214 locked in the corresponding first locking holes 32, so that the plate-end connector 2 is received in the first insulating housing 3.

The two terminal connectors 4 are used for being abutted with the two board-side connectors 2, and each terminal connector 4 includes a circuit board 41, a flat cable 42 electrically connected to the circuit board 41, and an insulating coating 43 coating the electrical connection between the circuit board 41 and the cable 42. It should be understood that the number of the circuit board 41 and the cables 42 may also be two or more, and the number in this embodiment should not be limited. The circuit board 41 of each of the terminal connectors 4 has two plugging portions 411 for being inserted into the two plugging slots 211 of the corresponding board-side connector 2, and each plugging portion 411 is formed with a plurality of electrical contact fingers 412 for electrically connecting with the terminals 221 of the board-side connector 2.

Referring to fig. 1 to 3 and 6 to 7, the second insulating housing 5 accommodates the two terminal connectors 4, the two terminal connectors 4 are arranged along the up-down direction D1 (arrangement direction), and a gap G1 and a gap G2 are respectively formed between the two terminal connectors 4 and the second insulating housing 5, so that the two terminal connectors can float with respect to the second insulating housing 5, in this embodiment, the two terminal connectors 4 are arranged along the up-down direction D1 (arrangement direction) and a gap G1 and a gap G2 are respectively formed between the two terminal connectors and the second insulating housing 5, so that the two terminal connectors can float with respect to the second insulating housing 5 along the up-down direction D1 (arrangement direction).

The second insulating housing 5 has two second receiving slots 51 for receiving the insulating coatings 43 of the two terminal connectors 4, and a plurality of second locking holes 52 communicated with the two second receiving slots 51, wherein the plurality of second locking holes 52 are formed on the left and right sides of the second insulating housing 5 in this embodiment. In other embodiments, the second insulating housing 5 may have only one second receiving groove 51 for receiving the insulating coatings 43 of the two terminal connectors 4 at the same time, and this embodiment should not be limited thereto. The insulating coating 43 of each of the terminal connectors 4 has a plurality of second locking blocks 431 locked in the corresponding second locking holes 52, the insulating coating 43 and the inner wall surface of the second receiving groove 51 have a gap G1 in the vertical direction D1 (arrangement direction), and the second locking blocks 431 and the inner wall surface of the second locking holes 52 have a gap G2 in the vertical direction D1 (arrangement direction), so that the two terminal connectors 4 can be received in the second insulating housing 5 in a manner of floating in the vertical direction D1 (arrangement direction) relative to the second insulating housing 5.

The second insulating housing 5 has a receiving portion 53 facing the first insulating housing 3 and having a receiving cavity 531 formed therein. When the first insulating housing 3 is mated with the second insulating housing 5, the receiving cavity 531 of the receiving portion 53 is used for receiving at least a portion of the first insulating housing 3, and the two terminal connectors 4 are electrically connected to the two board-side connectors 2 in a floating manner.

Referring to fig. 1 to 3, 6 and 8, in detail, the receiving portion 53 further has two first guiding surfaces 532 and two second guiding surfaces 533 adjacent to the receiving cavity 531 and extending obliquely, the two first guiding surfaces 532 are opposite to each other up and down, and the two first guiding surfaces 532 are opposite to each other left and right. The two first guiding surfaces 532 are used to guide the first insulating housing 3 and the second insulating housing 5 to align in the vertical direction D1 (the arrangement direction) during the mating process of the first insulating housing 3 and the second insulating housing 5; the two second guiding surfaces 533 are used to guide the first insulating housing 3 and the second insulating housing 5 to be aligned in the left-right direction D3 during the mating process of the first insulating housing 3 and the second insulating housing 5.

In addition, the housing 21 of each plate-end connector 2 further has a plurality of first slot guide surfaces 215 and a plurality of second slot guide surfaces 216 adjacent to the two insertion slots 211, the plurality of first slot guide surfaces 215 are opposite to each other in a group of two by two, and the plurality of first slot guide surfaces 215 are opposite to each other in a group of two by two. The two first slot guide surfaces 215 are used to guide the board-side connector 2 and the line-side connector 4 to align in the vertical direction D1 (arrangement direction) during the process of mating the board-side connector 2 and the line-side connector 4, and can guide the board-side connector 2 and the line-side connector 4 to align with each other in the vertical direction D1 (arrangement direction) more smoothly by matching with the floating characteristic of the two line-side connectors 4 relative to the second insulating housing 5 in the vertical direction D1 (arrangement direction), and can avoid the occurrence of misalignment due to tolerance influence. The two second slot guide surfaces 216 are used to guide the plate-end connector 2 and the wire-end connector 4 in the left-right direction D3 during the mating process of the plate-end connector 2 and the wire-end connector 4.

Referring to fig. 9 and fig. 10, it should be noted that, in an alternative embodiment, the substrate 1 may also include two circuit boards 13, and the two board-end connectors 2 are respectively disposed on the two circuit boards 13, that is, the substrate 1 may be a single and complete circuit board structure, or may have a plurality of independent circuit boards 13 for the board-end connectors 2 to be disposed, which should not be limited thereto.

To sum up, the utility model discloses a this first insulating housing 3 and this second insulating housing 5 that can dock each other make these two board end connectors 2 that are acceptd by this first insulating housing 3 can dock each other with these two line end connectors 4 that are acceptd by second insulating housing 5 respectively and electrically connected ground jointly, and it is comparatively convenient in the use.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims (9)

1. An electrical connection device, comprising:

a substrate;

two board end connectors arranged on the substrate and arranged along an arrangement direction;

a first insulating shell for accommodating the two plate end connectors;

the two wire end connectors are used for butting with the two plate end connectors; and

and the second insulating shell is used for accommodating the two wire end connectors, the two wire end connectors are arranged along the arrangement direction, gaps are respectively reserved between the two wire end connectors and the second insulating shell in the arrangement direction, and the two wire end connectors can float relative to the second insulating shell.

2. The electrical connector as claimed in claim 1, wherein the substrate is a circuit board, and the two board-end connectors are disposed on the circuit board.

3. The electrical connector of claim 1, wherein the base comprises two circuit boards, and the two board-end connectors are disposed on the two circuit boards, respectively.

4. The electrical connector as claimed in claim 1, wherein each of the cable connectors comprises at least one circuit board, at least one cable electrically connected to the at least one circuit board, and an insulating coating covering an electrical connection between the at least one circuit board and the at least one cable.

5. The electrical connector of claim 4, wherein each board-end connector comprises a housing disposed on the substrate and at least one terminal module disposed on the housing, the housing having at least one insertion slot for inserting the at least one circuit board of the corresponding wire-end connector, the at least one terminal module comprising a plurality of terminals and a terminal fixing block disposed on the housing for holding the plurality of terminals, the plurality of terminals extending into the at least one insertion slot for electrically connecting with the at least one circuit board.

6. The electrical connector as claimed in claim 5, wherein the first insulating housing has at least a first receiving slot for receiving the housings of the two board-end connectors, and a plurality of first locking holes connected to the at least a first receiving slot, and the housing of each board-end connector has a plurality of first locking blocks locked in the corresponding first locking holes.

7. The electrical connector of claim 5, wherein the housing of each board end connector has at least one slot guide surface adjacent to the at least one mating slot for guiding the board end connector and the wire end connector in alignment in the alignment direction during mating of the board end connector and the wire end connector.

8. The electrical connector of claim 4, wherein the second housing has at least a second receiving slot for receiving the insulating coating of the two terminal connectors and a plurality of second locking holes communicating with the at least a second receiving slot, the insulating coating of each terminal connector has a plurality of second locking blocks for locking with the corresponding second locking holes, the insulating coating has a gap with an inner wall of the second receiving slot in the arrangement direction, and the second locking blocks have a gap with an inner wall of the second locking holes in the arrangement direction, so that the two terminal connectors can float in the arrangement direction relative to the second housing.

9. The electrical connector as claimed in claim 8, wherein the second housing has a receiving portion with a receiving cavity formed therein, the receiving cavity of the receiving portion is configured to receive at least a portion of the first housing when the second housing is mated with the first housing, the receiving portion has at least one guiding surface adjacent to the receiving cavity and extending obliquely, and the at least one guiding surface is configured to guide the first housing and the second housing to be aligned in the alignment direction during the mating process of the first housing and the second housing.

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