CN112993619B

CN112993619B - Electric connector

Info

Publication number: CN112993619B
Application number: CN201911302229.XA
Authority: CN
Inventors: 陈玉科; 肖作茜; 申涛; 刘肖利
Original assignee: Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Interconnect Technology Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2023-05-16
Anticipated expiration: 2039-12-17
Also published as: CN112993619A

Abstract

The invention discloses an electric connector, which comprises an insulating body and a plurality of terminal blocks fixed on the insulating body, wherein the insulating body comprises a base and a protruding part protruding from the base, the protruding part is provided with a plugging groove penetrating through the base and a plurality of terminal grooves connected to two sides of the plugging groove, each terminal block comprises an insulating block fixed on the insulating body and a terminal contained in the terminal groove and extending into the plugging groove, the base is provided with a containing space communicated with the plugging groove and a plurality of ribs protruding into the containing space, the insulating block is contained in the containing space and is provided with a protruding block propping against the corresponding rib, and the mutually clamped protruding block and the rib can accurately and firmly install the terminal blocks on the insulating body.

Description

Electric connector

[ field of technology ]

The present invention relates to an electrical connector, and more particularly, to an electrical connector mounted on a circuit board.

[ background Art ]

In the field of electrical connectors, the product version of inserting a plurality of terminal modules into an insulating body is often used, rather than directly injection molding a single terminal with the insulating body, these terminal modules are usually formed in the form of terminal blocks comprising an insulating block and terminals held to the insulating block. Therefore, the electrical connector includes a plurality of the terminal blocks, and the positive position of the product terminal is easily affected by the accumulated tolerance between the plurality of terminal blocks during assembly, and the current electrical connector also has a trend of miniaturization and microminiaturization, which brings certain difficulty to the installation and accurate positioning of the plurality of terminal blocks.

Based on the prior art described, there is a clear need for an improvement of existing electrical connectors.

[ invention ]

The invention aims to provide an electric connector which can realize accurate positioning and stable assembly of a terminal seat.

The aim of the invention is achieved by the following technical scheme: the electric connector comprises an insulating body and a plurality of terminal blocks fixed on the insulating body, wherein the insulating body comprises a base and a protruding part protruding from the base, the protruding part is provided with a plug-in groove penetrating through the base and a plurality of terminal grooves connected to two sides of the plug-in groove, each terminal block comprises an insulating block fixed on the insulating body, a terminal accommodated in the terminal groove and extending into the plug-in groove, the base is provided with an accommodating space communicated with the plug-in groove and a plurality of ribs protruding into the accommodating space, and the insulating block is accommodated in the accommodating space and provided with a convex block propped against the corresponding rib.

Further, the base is provided with a plurality of separation sheets protruding into the accommodating space and located between two adjacent ribs, the protruding height of each separation sheet into the accommodating space is larger than that of each rib, the insulating block is fixed between the two adjacent separation sheets correspondingly, and the ribs are propped against the surface of the insulating block.

Further, the terminal blocks are closely arranged together in the thickness direction, the extending tail ends of the separation sheets are in tapered shapes, the insulating blocks are provided with corresponding chamfers at two sides of the protruding blocks, and the extending tail ends are matched with the chamfers to be tightly clamped between two adjacent protruding blocks.

Further, the length of the separation sheets is longer than that of the rib parts, and the plurality of protruding blocks are correspondingly arranged between two adjacent separation sheets respectively.

Further, the length of the separation sheet is greater than or equal to the sum of the lengths of the rib and the bump.

Further, the insulating body is of an integrally formed structure.

Further, the insulating body further comprises a pressing portion extending into the accommodating space, the insulating block is provided with an abutting portion abutting against the pressing portion, and the pressing portion and the rib portion cooperate together to fix the terminal block to the insulating body in the assembling direction.

Further, the insulating block is arranged in a sheet shape extending along a longitudinal direction, the protruding blocks are arranged at two longitudinal ends of the insulating block, and the separating sheets are arranged in two opposite rows and are arranged at two longitudinal sides of the accommodating space.

Further, the protruding portion protrudes upwards from the base, the inserting groove and the accommodating space penetrate through the insulating body in the up-down direction, the terminal blocks are closely arranged together along the transverse direction perpendicular to the longitudinal direction, the rib portions are connected to the separating sheets along the transverse direction, and the rib portions are arranged at positions close to the lower surface of the base.

Further, the terminal seat is assembled to the insulating body from bottom to top, the upper surface of the lug is provided with an inclined guiding inclined plane, and the lower surface of the lug is provided with an erection surface erected on the lug.

Compared with the prior art, the invention has the following beneficial effects: the insulation body is provided with a plurality of ribs protruding into the accommodating space and separation parts arranged at intervals with the ribs, each terminal seat is accurately arranged between two adjacent separation sheets and is buckled and matched with the ribs, the terminal seat can be accurately and stably arranged on the insulation body, and the positive position of a terminal in the electric connector is improved.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector of the present invention.

Fig. 2 is a partially exploded view of fig. 1.

Fig. 3 is a perspective view of another angle of fig. 2.

Fig. 4 is a partially exploded view of fig. 2.

Fig. 5 is a perspective view of another angle of fig. 4.

Fig. 6 is a perspective view of a terminal block according to the present invention.

Fig. 7 is a partially exploded view of fig. 6.

Fig. 8 is a cross-sectional view taken along line A-A of fig. 2.

Fig. 9 is a sectional view taken along line B-B of fig. 1.

[ Main element symbols description ]

Electric connector	100	Terminal base	2
				Insulation body	1	Insulating block	21
Base seat	11	Bump block	210
				Accommodation space	110	Guide slope	2101
Rib part	111	Mounting surface	2102
				Separating sheet	112	Chamfering tool	211
Extension end	1120	Abutting part	212
				Press section	113	Terminal for connecting a plurality of terminals	22
Locking groove	114	Cover body	3
				Projection part	12	Suction plane	30
Insertion groove	120	Fastening hook	31
				Terminal groove	121	Locking piece	4
Side wall	122	Bridge portion	41
				Fastening groove	1220	Plug pin	42

The invention will be further described in the following detailed description in conjunction with the above-described figures.

[ detailed description ] of the invention

Hereinafter, a specific embodiment of the electrical connector of the present invention will be described with reference to fig. 1 to 9.

As shown in fig. 1 to 5, the present invention provides an electrical connector 100, which comprises an insulating body 1 and a plurality of terminal blocks 2 fixed on the insulating body 1, wherein the insulating body 1 comprises a base 11 and a protruding part 12 protruding from the base 11, the protruding part 12 is provided with a plugging slot 120 penetrating therethrough and a plurality of terminal slots 121 connected on both sides of the plugging slot 120; the electrical connector 100 of the present invention may be a right angle type electrical connector in which the protrusion protrudes from the base side, or a vertical type electrical connector in which the protrusion protrudes from the base side, and the insertion groove 120 and the receiving space 110 penetrate the insulating body in the up-down direction, and in this embodiment, a vertical type electrical connector is exemplified. Each of the terminal holders 2 includes an insulating block 21 fixed to the insulating body 1 and a terminal 22 received in the terminal slot 121 and extending into the socket slot 120, the base 11 is provided with a receiving space 110 communicating with the socket slot 120 and a plurality of ribs 111 protruding into the receiving space 110, and the insulating block 21 is received in the receiving space 110 and provided with a bump 210 abutting against the corresponding rib 111.

The base 11 is provided with a plurality of separating sheets 112 protruding into the accommodating space 110 and located between two adjacent ribs 111, the insulating blocks 21 are fixed between two corresponding adjacent separating sheets 112, as shown in fig. 5 and 6, the insulating blocks 21 are arranged in a sheet shape extending along a longitudinal direction, the protruding blocks 210 are arranged at two longitudinal ends of the insulating blocks 21, and the extending width of the protruding blocks 210 in a transverse direction perpendicular to the longitudinal direction is smaller than the width of the side surfaces of the insulating blocks 21, and the separating sheets 112 are arranged in two rows opposite to each other and are arranged at two longitudinal sides of the accommodating space 110. In the longitudinal direction, the height of the separation sheet 112 protruding into the accommodating space is larger than that of the rib 111, and for the rib 111 and the separation sheet 112, the rib 111 is shorter in the longitudinal direction, so that the insulation block 21 can be smoothly installed, and the separation sheet 112 is higher, so that a good clamping effect can be provided for the insulation block 21; the rib 111 abuts against the surface of the insulating block 21, specifically, the rib 111 abuts against the side surface of the insulating block 21 located below the projection 210 to hold the insulating block 21 in place in the longitudinal direction. In the vertical direction, the length of the separation sheet 112 is greater than the rib 111, so that the insulation block 21 can be guided when the terminal block 2 is inserted into the insulation body 1, and the plurality of protruding blocks 210 are respectively and correspondingly arranged between two adjacent separation sheets, in a preferred embodiment, the length of the separation sheet 112 is greater than or equal to the sum of the lengths of the rib 111 and the protruding blocks 210, which is beneficial to having a better positioning effect in the longitudinal direction and the transverse direction when only a single terminal block 2 is assembled into the accommodating space 110.

Referring to fig. 5 to 9, a plurality of the terminal blocks 2 are closely arranged together in the thickness direction thereof, that is, in this embodiment, a plurality of the terminal blocks 2 are closely arranged together along the transverse direction, the extending ends 1120 of the separation sheets 112 are tapered, the insulating blocks 21 are provided with corresponding chamfers 211 at both sides of the protruding blocks 210, and the extending ends 1120 and the chamfers 211 cooperate to be tightly clamped between two adjacent protruding blocks 210, so that each of the terminal blocks 2 of the electrical connector 100 of the present invention can be accurately mounted between two adjacent separation sheets 112 and is in clamping fit with the ribs 111, thereby ensuring that the terminal blocks 2 are accurately and firmly mounted on the insulating body 1, and improving the positive position of the terminals 22 in the electrical connector 100. Referring to fig. 4-5 and fig. 8, in the present embodiment, the insertion groove 120 and the receiving space 110 penetrate the insulating body 1 in the up-down direction, the plurality of ribs 111 are connected to the plurality of separation sheets 112 along the transverse direction, and the ribs 111 are disposed near the lower surface of the base 11. The terminal block 2 is assembled to the insulating body 1 from bottom to top, the upper surface of the bump 210 is provided with an inclined guiding inclined plane 2101 to play a guiding role when the terminal block 2 is assembled, the lower surface of the bump 210 is provided with an erecting surface 2102 erected on the bump, in this embodiment, the erecting surface and the upper surface of the rib 111 are both horizontal surfaces, which is beneficial to improving the stability of the insulating block 21 after being assembled.

Compared with some traditional electric connectors with the insulating body divided into a plurality of parts, the insulating body of the electric connector is of an integrated structure, so that the assembly process of a product can be reduced, and the influence of accumulated tolerance of part assembly on coplanarity of terminals in the product can be further reduced. As shown in fig. 5 and 9, the insulating body 1 further includes a pressing portion 113 extending into the accommodating space 110, the insulating block 21 is provided with an abutting portion 212 abutting against the pressing portion 113, and the pressing portion 113 cooperates with the rib 111 to fix the terminal block 2 to the insulating body 1 in the assembling direction thereof.

In this embodiment, each of the insulating blocks 21 includes two pairs of terminals 22 arranged side by side in the longitudinal direction, and the protruding portion 12 is provided with two of the insertion grooves 120 to accommodate the corresponding two pairs of terminals 22, respectively. The electrical connector 100 further includes a cover 3 covering the protruding portion 12, where the cover 3 shields the plugging slot 120 to block dust; the top of the cover 3 is provided with a smooth sucking plane 30, and the electric connector 100 is small in size, so that it is required to be assembled to an electronic device (not shown) to enable the sucking plane 30 to be sucked by a jig for moving. The side wall 122 of the protruding portion 12 is provided with a holding groove 1220, the cover 3 is provided with a holding hook 31 extending downward, and when the cover 3 is placed downward, the holding hook 31 is clamped in the holding groove 1220. As shown in fig. 1 to 5, the electrical connector 100 further includes a locking member 4, the base 11 is provided with a locking slot 114 located beside the protruding portion 12, the locking slot 114 penetrates the base 11 in the up-down direction, the locking member 4 includes a bridge portion 41 and two plugging pins 42 extending downward from two ends of the bridge portion 41, the bridge portion 41 is clamped in the base 11, and the two plugging pins 42 extend downward out of the base 11 to be plugged onto the circuit board.

The foregoing is only some, but not all, embodiments of the present invention, and any equivalent modifications of the technical solution of the present invention will be covered by the claims of the present invention by a person of ordinary skill in the art from reading the present specification.

Claims

1. An electric connector, it includes an insulating body and hold in several terminal blocks of the said insulating body, the said insulating body includes the base and projects from said base, the said projecting has inserting grooves and several terminal grooves connected to both sides of the said inserting groove that run through it, each said terminal block includes holding in the insulating block of the said insulating body and accommodates in the said terminal groove and extends into the terminal of the said inserting groove, characterized by that: the base is provided with an accommodating space communicated with the inserting groove, and a plurality of ribs and separation sheets protruding into the accommodating space, the insulation block is accommodated in the accommodating space and provided with protruding blocks propping against the corresponding ribs, the insulation block is arranged in a sheet shape extending along a longitudinal direction, the protruding blocks are arranged at the longitudinal end parts of the insulation block, the separation sheets and the ribs are arranged at intervals in a transverse direction perpendicular to the longitudinal direction, the extending width of the protruding blocks is smaller than the thickness of the insulation block, chamfer angles are arranged at two sides of the protruding blocks, the separation sheets are clamped at two sides of the protruding blocks and are further provided with tapered extending tail ends extending towards the accommodating space, and the extending tail ends of adjacent separation sheets are matched with the corresponding chamfer angles to further tightly clamp the insulation block.

2. The electrical connector of claim 1, wherein: the protruding height of each separation sheet towards the accommodating space is larger than that of each rib, the insulation block is fixed between two adjacent separation sheets, and the ribs are abutted against the surfaces of the insulation blocks.

3. The electrical connector of claim 2, wherein: the terminal blocks are closely arranged together in the thickness direction, and the extending tail ends are matched with the chamfers to be tightly clamped between two adjacent convex blocks.

4. The electrical connector of claim 2, wherein: the length of the separation sheets is greater than that of the rib parts, and a plurality of the protruding blocks are respectively and correspondingly arranged between two adjacent separation sheets.

5. The electrical connector of claim 4, wherein: the length of the separation sheet is greater than or equal to the sum of the lengths of the rib and the lug.

6. The electrical connector of claim 2, wherein: the insulating body is of an integrated structure.

7. The electrical connector of claim 2, wherein: the insulating body further comprises a pressing part extending into the accommodating space, the insulating block is provided with an abutting part abutting against the pressing part, and the pressing part and the rib are matched together to fix the terminal seat to the insulating body in the assembling direction.

8. The electrical connector of claim 2, wherein: the protruding blocks are arranged at two longitudinal ends of the insulating block, and the separation sheets are arranged in two opposite rows and are arranged at two longitudinal sides of the accommodating space.

9. The electrical connector of claim 8, wherein: the protrusion protrudes upwards from the base, the insertion groove and the accommodating space penetrate through the insulating body in the vertical direction, the terminal blocks are closely arranged together along the transverse direction, the rib parts are connected with the separation sheets along the transverse direction, and the rib parts are arranged at positions close to the lower surface of the base.

10. The electrical connector of claim 9, wherein: the terminal seat is assembled to the insulating body from bottom to top, the upper surface of the lug is provided with an inclined guide inclined plane, and the lower surface of the lug is provided with an erection surface erected on the lug.