TWI877975B - Upright electrical connector with externally-holding insulating structure - Google Patents

Abstract

An upright electrical connector with insulating structure includes an insulating structure, a plurality of terminals, a metal spacer and a metal shell. The insulation structure includes a base, a tongue plate and two limiting walls. The tongue plate and the two limiting walls are arranged on the base, and the tongue plate is located between the two limiting walls. Each terminal includes a mating portion, a fixing portion and a welding portion. The fixing portion is coupled to the base of the insulating structure. The mating portion is provided on the tongue plate. The welding portion protrudes from the base and is welded to a circuit board. The metal shell is arranged on the base of the insulating structure and surrounds the tongue plate to form a docking space. One end of the metal shell forms a pair of interfaces for a pair of electric connectors to be inserted. Two limiting walls are in contact with the metal shell. The outer surfaces of the top wall, the bottom wall, the first side wall and the second side wall form limits for the metal shell in a first direction and a second direction, the first direction and the second direction are perpendicular to each other, and the third direction Both the first direction and the second direction are perpendicular to the extension direction of the tongue plate.

Description

Insulation structure outsourcing vertical electrical connector (Part 2)

The present invention relates to the technical field of electrical connectors, and more particularly to an insulating structure-enclosed upright electrical connector in which an insulating structure is enclosed outside a metal shell to produce a limiting effect.

Electrical connectors are generally provided with a metal shell, so that the metal shell is covered on the outside of the insulating rubber core, on the one hand, forming a docking structure with the other hand electrical connector, and on the other hand, it can increase the structural strength of the insulating rubber core and play an electromagnetic shielding effect on the terminal.

The existing metal shell is a locking lug that is locked in the locking recess of the insulating rubber core, thereby limiting the metal shell and positioning it on the insulating rubber core. However, since the locking structure of this limiting structure only produces a locking effect at a limited position and the size of the locking structure is relatively small compared to the entire metal shell, when the user applies improper force when plugging and unplugging, it is easy to cause the metal shell to deviate relative to the insulating rubber core or even fall off the insulating rubber core.

In view of this, the purpose of the present invention is to provide an insulating structure outsourcing upright electrical connector, in which the insulating structure extends outward and holds the metal shell from the outer surface of the metal shell, thereby limiting the metal shell and increasing the strength of the combination of the metal shell and the insulating structure, so as to solve the problem in the prior art that the metal shell is easily offset relative to the insulating rubber core or even falls off the insulating rubber core.

An embodiment of the insulating structure outsourcing upright electrical connector of the present invention includes an insulating structure, a plurality of terminals, a metal separator and a metal shell. The insulating structure includes a base, a tongue plate and two limiting walls, the tongue plate and the two limiting walls are arranged on the base, and the tongue plate is located between the two limiting walls. Each terminal includes a docking portion, a fixing portion and a welding portion, the fixing portion is combined with the base of the insulating structure, the docking portion is arranged on the tongue plate, and the welding portion protrudes from the base and is welded to a circuit board. The metal separator is arranged between two terminal rows and combined with the insulating structure. The metal shell is arranged on the base of the insulating structure and surrounds the tongue plate to form a docking space. One end of the metal shell forms a pair of interfaces for inserting a pair of flashlight connectors. The metal shell includes a top wall, a bottom wall opposite to the top wall, and a first side wall and a second side wall arranged opposite to each other. Two limiting walls abut against the outer surfaces of the top wall, the bottom wall, the first side wall and the second side wall of the metal shell, and limit the metal shell in a first direction and a second direction. The first direction and the second direction are perpendicular to each other, and the first direction and the second direction are both perpendicular to the extension direction of the tongue plate.

In another embodiment, each limiting wall has a snap-fitting protrusion, which protrudes from the inner surface of the limiting wall toward the tongue plate, and the metal shell has a pair of snap-fitting holes, and the snap-fitting protrusion snaps into the snap-fitting holes, so that the limiting wall and the metal shell are limited in a third direction, and the third direction is parallel to the extension direction of the tongue plate.

In another embodiment, each limiting wall includes a first limiting portion and two second limiting portions, the first limiting portion corresponds to the first side wall or the second side wall of the metal shell, the two second limiting portions are connected to the opposite sides of the first limiting portion and at least a portion is perpendicular to the first limiting portion, and the second limiting portions correspond to the top wall and the bottom wall of the metal shell.

In another embodiment, the engaging protrusion is disposed on the first limiting portion.

In another embodiment, the surfaces of the first limiting portion and the second limiting portion close to one side of the metal housing are connected to form an arc surface, and the surfaces of the first limiting portion and the second limiting portion away from one side of the metal housing form two planes perpendicular to each other.

In another embodiment, the metal shell includes a plurality of limit members extending from the top wall and the bottom wall to the interior of the metal shell respectively. The extension portion of the insulating structure has a plurality of grooves, and the limit members extend into the grooves. When the pair of handheld connectors are inserted into the docking space, the limit members abut against the pair of handheld connectors to form a docking limit.

In another embodiment, each limiting member has a limiting surface, and the flashlight connector abuts against the limiting surface, and the limiting surface is inclined relative to the top wall or the bottom wall.

In another embodiment, the insulating structure further includes a plurality of positioning posts, the plurality of positioning posts are disposed on a side of the base away from the tongue plate, and the plurality of positioning posts are inserted into positioning holes of the circuit board.

In another embodiment, the metal housing further includes a plurality of positioning pins extending in a direction away from the docking port and penetrating through the positioning slots of the circuit board.

The insulating structure outsourcing upright electrical connector of the present invention has the limiting walls of the insulating structure abutting against the outer surfaces of the first side and the second side of the metal shell, so that the metal shell is limited in the first direction and the second direction, and the pair of limiting walls play a stopping role for the metal shell, which can strengthen the positioning structure, so that the metal shell is not easily offset or fallen off due to improper force applied by the user when plugging and unplugging.

Please refer to FIG. 1 and FIG. 2, which show an embodiment of the insulating structure outsourcing type upright type electrical connector of the present invention, which is provided with a circuit board. The insulating structure outsourcing type upright type electrical connector 1 of this embodiment includes an insulating structure 10, a plurality of terminals 20, a metal shell 30 and a metal separator 40. The plurality of terminals 20 are combined with the insulating structure 10 and arranged in two terminal rows parallel to each other, the metal separator 40 is arranged between the two terminal rows and combined with the insulating structure 10, the metal shell 30 is positioned on the insulating structure 10, the insulating structure 10 and the metal shell 30 are positioned on the circuit board P, and the terminals 20 are welded to the circuit board P. Each terminal 20 includes a mating portion 20a, a fixing portion 20b and a welding portion 20c.

Please refer to FIG. 3 and FIG. 4 , the insulating structure 10 includes a base 11, a tongue plate 12, two limiting walls 13 and an extension portion 14. The two limiting walls 13 and the extension portion 14 are disposed on the base 11, and the extension portion 14 is located between the two limiting walls 13. The base 11 is a rectangular base body, one end of the extension portion 14 is connected to the middle part of the base 11 and extends along a predetermined direction, and the tongue plate 12 is disposed at the front end of the extension portion 14. The tongue plate 12 has an upper surface 121 and a lower surface 122, and the mating portion 20a of the terminal 20 is disposed on the upper surface 121 and the lower surface 122 so as to contact with the terminal of the opposite handheld connector.

Two limiting walls 13 are disposed on opposite sides of the base 11. Each limiting wall 13 includes a first limiting portion 131 and one or two second limiting portions 132. The two second limiting portions 132 are connected to opposite sides of the first limiting portion 131 and at least a portion thereof is perpendicular to the first limiting portion 131. The surfaces of the first limiting portion 131 and the second limiting portion 132 on one side close to the metal housing 30 are connected to form an arcuate surface 1311. The surfaces of the first limiting portion 131 and the second limiting portion 132 on one side away from the metal housing 30 form two planes 1312 perpendicular to each other. The arcuate surface 1311 is a shape matching the metal housing 30.

The fixing portion 20b of the terminal 20 is coupled to the base 11 of the insulating structure 10, the butting portion 20a of the terminal 20 is disposed on the tongue 12, and the welding portion 20c of the terminal 20 protrudes from the base 11 and is welded to the circuit board P. The metal spacer 40 is disposed between the two terminal rows to play the role of electromagnetic shielding.

The metal housing 30 is disposed on the base 11 of the insulating structure 10 and surrounds the tongue plate 12 to form a docking space S. One end of the metal housing 30 forms a docking port 31 for inserting a pair of flashlight connectors. The metal housing 30 of this embodiment forms a cylindrical structure, which includes a top wall 32, a bottom wall 33 disposed opposite to the top wall 32, and two oppositely disposed first side walls 34 and second side walls 35. The top wall 32 corresponds to the upper surface 121 of the tongue plate 12, and the bottom wall 33 corresponds to the lower surface 122 of the tongue plate 12.

The first limiting portion 131 of the limiting wall 13 of the insulating structure 10 abuts against the outer surfaces of the first side wall 34 and the second side wall 35 of the metal shell 30, the arc surface 1311 at the connection between the second limiting portion 132 of the limiting wall 13 and the first limiting portion 131 abuts against the connection between the top wall 32 and the first side wall 34 or the second side wall 35, and the arc surface 1311 at the connection between the other second limiting portion 132 and the first limiting portion 131 abuts against the connection between the bottom wall 33 and the first side wall 34 or the second side wall 35.

The first limiting portions 131 of the two limiting walls 13 clamp the metal housing 30 left and right, so as to limit the metal housing 30 in a first direction L1. The second limiting portions 132 of the two limiting walls 13 clamp the metal housing 30 up and down, so as to limit the metal housing 30 in a second direction L2. The first direction L1 and the second direction L2 are perpendicular to each other, and both the first direction L1 and the second direction L2 are perpendicular to the extension direction of the tongue plate 12.

As shown in FIG7 , each limiting wall 13 has a locking protrusion 133, which protrudes from the inner surface of the limiting wall 13 toward the tongue plate 12, and is disposed on the first limiting portion 131. Referring to FIG2 , FIG5 , FIG6 and FIG7 , the metal housing 30 has a pair of locking holes 36, and the locking protrusion 133 is locked in the locking holes 36, and the locking protrusion 133 abuts against the hole edge of the locking hole 36, so that the limiting wall 13 limits the metal housing 30 in a third direction L3, and the third direction L3 is parallel to the extension direction of the tongue plate 12, that is, the third direction L3 is perpendicular to the first direction L1 and perpendicular to the second direction L2. In this way, the limiting wall 13 limits the metal housing 30 in three directions perpendicular to each other. The limiting wall 13 forms a three-dimensional limit for the metal housing 30 so that the metal housing 30 is completely positioned in the insulating structure 10.

Please refer to FIG. 5, FIG. 9 and FIG. 10. The metal housing 30 further includes four stoppers 37, two of which protrude from the top wall 32 toward the inside of the metal housing 30, and the other two stoppers 37 protrude from the bottom wall 33 toward the inside of the metal housing 30. Each stopper 37 has a stopper surface 371 on a side close to the docking port 31. The stopper surface 371 of this embodiment is inclined relative to the top wall 32 or the bottom wall 33. When a pair of flashlight connectors C are inserted into the docking space S in the metal housing 30, the front ends of the flashlight connectors C abut against the stopper surface 371 of the stopper 37 to form a docking stopper.

10 , the insulating structure 10 further includes a plurality of positioning posts 15 , which are disposed on a side of the base 11 away from the tongue plate 12 , and are inserted into the positioning holes P1 of the circuit board P. The insulating structure 10 of this embodiment has three positioning posts 15 .

The metal housing 30 further includes a plurality of positioning pins 38 , which are disposed at the edge of the rear end of the metal housing 30 and extend rearward and penetrate through the positioning slots P2 of the circuit board P to form a positioning function.

The insulating structure outsourcing upright electrical connector of the present invention has the limiting walls of the insulating structure abutting against the outer surfaces of the first side and the second side of the metal shell, so that the metal shell is limited in the first direction and the second direction, and the pair of limiting walls play a stopping role for the metal shell, which can strengthen the positioning structure, so that the metal shell is not easily offset or fallen off due to improper force applied by the user when plugging and unplugging.

However, what is described above is only the preferred embodiment of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. That is, all simple equivalent changes and modifications made according to the scope of the patent application and the new description of the present invention are still within the scope of the present invention. In addition, any embodiment or patent application of the present invention does not need to achieve all the purposes, advantages or features disclosed by the present invention. In addition, the abstract and title are only used to assist in searching for patent documents, and are not used to limit the scope of rights of the present invention. In addition, the terms "first", "second", etc. mentioned in this specification or patent application are only used to name the name of the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

1: Insulation structure outsourcing upright type electrical connector 10: Insulation structure 11: Base 12: Tongue plate 13: Limiting wall 14: Extension part 15: Positioning column 20: Terminal 20a: Docking part 20b: Fixing part 20c: Welding part 30: Metal shell 31: Docking port 32: Top wall 33: Bottom wall 34: First side wall 35: Second side wall 36: Engagement hole 37: Limiting member 38: Positioning pin 121: Upper surface 122: Lower surface 131: First limiting part 132: Second limiting part 133: Engagement protrusion 371: Limiting surface 1311: Arc surface 1312: plane C: handheld power connector L1: first direction L2: second direction L3: third direction P: circuit board P1: positioning hole P2: positioning slot S: docking space

FIG. 1 is a three-dimensional view of the insulating structure outsourcing upright type electrical connector of the present invention arranged on a circuit board. FIG. 2 is a three-dimensional exploded view of the insulating structure outsourcing upright type electrical connector of the present invention. FIG. 3 is a three-dimensional view of the insulating structure outsourcing upright type electrical connector of the present invention with the metal shell removed. FIG. 4 is a three-dimensional view of the insulating structure outsourcing upright type electrical connector of the present invention. FIG. 5 is a front view of the insulating structure outsourcing upright type electrical connector of FIG. 4. FIG. 6 is a cross-sectional view of FIG. 5 along line A-A. FIG. 7 is a partial three-dimensional exploded view of the insulating structure outsourcing upright type electrical connector of FIG. 4 from another perspective. FIG8 is a rear view of the insulating structure outsourcing upright type electrical connector of FIG4. FIG9 is a three-dimensional view of the insulating structure outsourcing upright type electrical connector of the present invention docking with the counterpart handheld electrical connector. FIG10 is a cross-sectional view of FIG9 along the B-B line.

11: Base

12: Tongue plate

13: Limiting wall

20: Terminal

31: Docking port

32: Top wall

33: Bottom wall

34: First side wall

35: Second side wall

38: Positioning pin

131: First limiter

132: Second limiter

L1: First direction

L2: Second direction

L3: Third direction

S: Docking space

Claims (7)

An insulating structure outsourcing upright electrical connector, comprising: An insulating structure, comprising a base, an extension, a tongue and two limiting walls, the extension and the two limiting walls are arranged on the base, the extension is located between the two limiting walls, and the tongue is arranged at the front end of the extension; A plurality of terminals, each of which comprises a docking portion, a fixing portion and a welding portion, the fixing portion is combined with the base and the extension of the insulating structure, the docking portion is arranged on the tongue, the welding portion protrudes from the base and is welded to a circuit board, and the terminals are arranged in two terminal rows parallel to each other; A metal separator, arranged between the two terminal rows and combined with the insulating structure; and A metal shell is arranged on the base of the insulating structure and surrounds the tongue plate to form a docking space. One end of the metal shell forms a pair of interfaces for inserting a pair of flashlight connectors. The metal shell includes a top wall, a bottom wall opposite to the top wall, and a first side wall and a second side wall arranged opposite to each other; Two of the limiting walls abut against the outer surfaces of the top wall, the bottom wall, the first side wall and the second side wall of the metal shell, and limit the metal shell in a first direction and a second direction. The first direction and the second direction are perpendicular to each other, and the first direction and the second direction are perpendicular to the extension direction of the tongue plate; Each of the limiting walls has a snap-fitting protrusion, which protrudes from the inner surface of the limiting wall toward the tongue plate. The metal shell has a pair of snap-fitting holes, and the snap-fitting protrusion snaps into the snap-fitting holes, so that the limiting wall forms a limit for the metal shell in a third direction, and the third direction is parallel to the extension direction of the tongue plate. Each of the limiting walls includes a first limiting portion and two second limiting portions, the first limiting portion corresponds to the first side wall or the second side wall of the metal shell, the two second limiting portions are connected to the opposite sides of the first limiting portion and at least a part is perpendicular to the first limiting portion, and the second limiting portion corresponds to the top wall and the bottom wall of the metal shell. As described in claim 1, the insulating structure outsourcing upright electrical connector, wherein the locking protrusion is arranged on the first limiting portion. As described in claim 1, the insulating structure outsourcing upright electrical connector, wherein the first limiting portion and the second limiting portion are connected to form an arc surface on the surface of one side close to the metal shell, and the first limiting portion and the second limiting portion are formed into two planes perpendicular to each other on the surface of one side away from the metal shell. An insulating structure-enclosed upright electrical connector as described in claim 1, wherein the metal shell includes a plurality of limit members extending from the top wall and the bottom wall to the interior of the metal shell, respectively; the extension portion of the insulating structure has a plurality of grooves, and the limit members extend into the grooves; when the pair of handheld connectors are inserted into the docking space, the limit members abut against the pair of handheld connectors to form a docking limit. As described in claim 4, the insulating structure outsourcing upright electrical connector, each of which has a limiting surface, the pair of handheld electrical connectors abut against the limiting surface, and the limiting surface is inclined relative to the top wall or the bottom wall. An insulating structure outsourced upright electrical connector as described in claim 1, wherein the insulating structure further includes a plurality of positioning posts, which are arranged on a side of the base away from the tongue plate, and the positioning posts are inserted into the positioning holes of the circuit board. As described in claim 1, the insulating structure outsourcing upright electrical connector, wherein the metal shell further includes a plurality of positioning pins extending away from the docking interface and penetrating the positioning groove of the circuit board.

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