KR20190082493A - Floating board connector - Google Patents

Abstract

The present invention relates to a board connector for use in electrical connection between a pair of opposing substrates, and more particularly, to a board connector which can be connected to allow mutual fluid displacement movement between substrates whose relative positions may change due to shock or vibration. The present invention provides an optimized terminal structure to ensure proper fluidity, enables EMI shielding even in a fluid board connector, prevents breakage of the terminal when the connector is coupled, and exposes a power terminal to the inside of an insulated housing to minimize the problem of the infiltration of foreign matter and be robust against external shocks and prevents the connector from being inserted back. The fluid board connector includes a male connector and a female connector.

Description

FLOATING BOARD CONNECTOR

The present invention relates to a board connector used for electrical connection between a pair of opposing substrates, and more particularly to a board connector which allows mutual fluid displacement movement between substrates, To a board connector for enabling the board connector to be mounted.

The electrical connector is a component that interconnects electrical signals between the devices, and the board connector for electrical connection between the circuit boards must be securely fixed to the planar circuit board.

Particularly, in the case of a connector for connecting a board such as D-Audio, AVN, or Audio which enters the interior of a vehicle, mutual flow of circuit boards occurs due to exposure to vibration. In other words, fine tilting occurs in the left and right (X-axis direction) in the forward and backward directions (Y-axis direction) on the plane. If the connector does not consider mutual flow between these circuit boards, the connection of the connector coupled to the circuit board is broken or broken There is a concern.

Accordingly, in the case of a connector used for coupling between circuit boards, the connector may be designed as a floating type so as to absorb a certain amount of flow. The connector has a structure in which the upper and lower portions of the housing of the connector are spaced apart to some extent and the upper and lower portions are connected through elastic terminals to absorb the flow between the circuit boards.

And more particularly to a structure in which an upper terminal connected to an upper housing and a lower terminal connected to a lower housing are coupled to each other and a lower terminal bent to have an elasticity at an end of the upper terminal, .

However, since the coupling between the upper and lower terminals can be released due to a weak coupling force between the terminals, the lower terminal can be deformed excessively, .

Published Patent No. 10-2009-0010319

It is an object of the present invention to provide a fluid type board connector.

The present invention aims to provide an optimized terminal structure for ensuring proper flow.

It is another object of the present invention to provide a structure for enabling EMI shielding even in a fluid type board connector.

It is another object of the present invention to provide a terminal structure for preventing breakage of a terminal when a connector is coupled.

Another object of the present invention is to provide a structure in which the power source terminal is exposed to the inside of the insulating housing, thereby minimizing a problem caused by penetration of foreign matter and also being robust against external impacts.

Another object of the present invention is to provide a structure for preventing a small connector from being reversely inserted.

According to an aspect of the present invention for achieving the above object, there is provided a connector for electrically connecting an upper substrate and a lower substrate such that they can flow with each other, the connector comprising: And a female connector in contact with the other of the upper substrate and the lower substrate, wherein the mail connector includes a mail housing, a mail terminal, and a mail power terminal, A male terminal and a female power terminal, wherein the male connector and the female connector are capable of flowing back and forth or laterally in a mutually connected state.

The mail housing includes: a stationary housing fixedly positioned on the substrate; And a movable housing spaced apart from the fixed housing and capable of flowing relative to the fixed housing, wherein the mail terminal comprises: a mail connector connected to the board; A mail vertical portion extending vertically from the connection portion and supported by the fixed housing; A mail contact which is located inside the movable housing and is supported by the movable housing and is in contact with the mail terminal; And a mail flow portion provided between the mail vertical portion and the mail contact portion and operated.

The mail flow unit may further include: a horizontal extension portion that is bent at right angles to the mail vertical portion and extends horizontally; A first bending extension portion extending obliquely upwardly from the horizontal extension portion; An inclined extension portion that is bent again toward the side opposite to the extending direction of the first bent extension portion and extends upwardly inclined; And a second bending extension portion extending upwardly from an opposite side of the upwardly extending direction of the inclined extension portion and having a vertically connected mail contact portion at an end thereof.

The mail flow unit includes: a first horizontal extension portion that is bent at right angles from the mail vertical portion and extends horizontally; A first vertical extension bent perpendicularly from the horizontal extension and extending vertically upward; An inclined extension extending upwardly from the end of the first vertical extension part in a direction to widen again; A second vertical extension bent perpendicularly from an end of the inclined extension and extending upward; And a second horizontal extension portion extending horizontally from the second vertical extension portion in a direction perpendicular to the second vertical extension portion and being connected to the vertical mail contact portion.

Wherein the movable housing includes: a pair of opposed side walls forming an empty space inside the pair of side walls; and a pair of end walls provided at both ends of the pair of side walls, An upper seating portion is formed on an inner side of the side wall and a lower seating portion is formed on an inner side or an outer side of the side wall on a lower side of the movable housing and the upper seating portion and the lower seating portion pass through the side wall And the mail power terminal is seated on the lower seating portion and the through portion, and the upper end is seated on the upper seating portion, so that the exposed surface is disposed inside the side wall.

The mail terminal includes: a mail connection portion connected to the board; A mail main body supported by the mail housing; A bent end portion that is bent and bent at an end portion of the main body portion of the mail; And a protruding contact portion extending outwardly from the bent end portion and bent back toward the inside, wherein the male terminal is in contact with the mail terminal through the protruding contact portion.

A mail metal shell having a mail body arranged in four directions along an outer surface of a fixed housing of the mail housing fixedly positioned on the substrate; And a female mail shell having a female mail body disposed in four directions along the outer surface of the female mail housing.

Wherein either one of the mail main body of the mail metal shell or the main body of the mail metal shell of the mail metal shell is provided with a contact spring portion protruding toward the mutually facing direction, And a contact surface portion is formed at a position corresponding to the contact spring portion on the other of the main body of the shell, and when the mail connector and the male connector are coupled with each other, the contact portion of the contact spring portion is brought into contact with the contact surface portion .

Wherein the contact surface portion has a horizontal surface portion facing the contact portion and having a horizontal area and the area of the horizontal surface portion is larger than the movable range of the contact portion when the relative position is changed according to the flow between the mail connector and the female connector .

Wherein the housing is provided with a projection on one side of a position where the female housing and the mail housing are engaged with each other, and a groove is provided on the housing on the other side, the projection and the groove are provided at positions that are not symmetrical, And the protrusion and the groove engage only when the female connector and the male connector are inserted, so that the insertion is continued.

The present invention according to the above configuration has the effect of providing an optimized terminal structure for ensuring proper flow.

The present invention also enables EMI shielding in a fluid board connector.

Further, the present invention makes it possible to prevent breakage of the terminal when the connector is coupled.

Further, according to the present invention, the power source terminal is exposed to the inside of the insulating housing, thereby minimizing the problem caused by the penetration of the foreign matter and securing it against external shocks.

The present invention also prevents a small connector from being inserted backwards.

1 is an exploded view of a mail connector according to the present invention.
2 is an exploded view of a female connector according to the present invention.
3 is a view showing a state in which a mail connector and a mail connector according to the present invention are combined and a cross-sectional state of the mail connector.
4 is a view showing the shape of a mail terminal according to the present invention.
5 is a view showing a cross-sectional shape of a mail terminal and a female terminal according to the present invention.
6 and 7 are views showing the construction of a mail metal shell and a mail metal shell according to the present invention.
8 is a view showing a coupling structure between a movable housing and a mail power terminal according to the present invention.
9 is a view showing a combination of a mail connector and a mail connector according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 is an exploded view of a mail connector according to the present invention. 1, the mail connector 1 preferably includes a movable housing 10, a fixed housing 20, a mail metal shell 30, a mail terminal 40, and a mail power terminal 50.

The housing is separated into a movable housing 10 and a fixed housing 20 so that the movable housing 10 can be moved and relatively moved while the movable housing 10 is positioned inside the fixed housing 20. [ The mail terminal 40 and the mail power terminal 50 are coupled between the board (not shown) and the movable housing 10 so that the mail terminal 40 and the mail power terminal 50 are connected to the metal And the movable housing 10 can be moved with respect to the substrate in accordance with the elastic movement peculiar to the bent shape. In one embodiment of the product applied to an actual vehicle, a flow of about 0.6 mm on the x-axis and about 0.6 mm on the x-axis is possible.

The fixed housing 20 is fixedly coupled to the substrate directly, and on the outside of the fixed housing 20 is disposed a metal mail metal shell 30 surrounding the four sides so as to have an EMI shielding function. The mail metal shell 30 is connected to the female metal shell 130 (FIG. 2) and grounded to the substrate side, thereby removing noise from the connector itself and preventing electrical errors.

2 is an exploded view of a female connector according to the present invention. 2, the female connector 101 preferably includes a female housing 110, a female metal shell 130, a female terminal 140, and a female power terminal 150.

The female housing 110 is provided with a female terminal 140 in a row and a female power terminal 150 on both ends inside the movable housing 10 of the mail housing.

The mail housing 110 is fitted in the movable housing 10 and is connected to the mail terminal 40 and the mail terminal 140. The mail power terminal 50 and the mail power terminal 150 are connected, And flows to the fixed housing 20 along with the movable housing 10 according to the structure of the terminal 40 and the mail power terminal 50. [

A female metal shell 130 surrounding the female housing 110 is connected to a mail metal shell 30 provided outside the stationary housing 20. The relative displacement between the mail metal shell 30 and the metal mail shell 130 also flows and changes due to the flow of the mail housing 110 relative to the fixed housing 20, Do. This will be described later with reference to FIG. 6 through FIG.

3 is a view showing a state in which a mail connector and a mail connector according to the present invention are combined and a cross-sectional state of the mail connector. 3, the female connector 101 is moved back and forth and / or horizontally with respect to the mail connector 1 in a state where the mail connector 1 and the female connector 101 are coupled.

the lower end of the mail terminal 40 and the lower end of the mail power terminal 50 and the lower end of the mail metal shell 30 are connected to the lower connector (not shown) The connection portion 32 is protruded and coupled. The female connector 101 is connected to the upper surface of the female terminal 140 and the female power terminal 150 and the connecting portion 132 of the female metal shell 130 to the other upper substrate Protrudes from the housing 110 and is engaged. A flow due to the vibration can be generated in the front and rear direction and / or the left / right direction as indicated by the arrow.

(b), a section of the mail connector 1 is bent to the left side, causing elastic deformation in a state where the lower end of the mail terminal 40 is coupled to the fixed housing 20 and / or the board, And the movable housing 10 is moved to the left in the fixed housing 20. As shown in Fig. At this time, the flow range and efficiency vary depending on the shape of the mail terminal 40.

4 is a view showing the shape of a mail terminal according to the present invention. Various shapes can be applied to allow the mail terminal 40 to move in a certain range within the elastic range. However, in the case of a curved line such as an S shape, it is difficult to determine the flow range and the flow limit point is unknown. Therefore, the bent shape can be used to make the flow range constant and increase the repulsive force at the flow limit point. In the case where the overall bent shape is formed as Z-shaped, but the bending portion is bent excessively and bent at an acute angle, There is a problem that the bending portion is excessively bent. In addition, when the bent portion is made vertical, the range of flow is limited and the size of the overall connector becomes large.

Therefore, in the present invention, the S-shaped curve structure and the Z-shaped acute angle bending structure are combined to provide a feature of bending and folding, combining various shapes of obtuse angle bending and vertical bending.

Referring to FIG. 4 (a), a shape utilizing the divided obtuse angle structure is used. A horizontal mail section 41 connected to the board, a mail vertical section 42 extending vertically upward therefrom, and a horizontal extension section 43 extending horizontally from the mail vertical section 42 again.

In order to distinguish the obtuse angle and the right angle, the direction in which the center direction is gathered in the left and right direction as viewed in the drawing, and the direction in which the outward direction is distanced is defined. The horizontal extending portion 43 and the first bent extending portion 44 are provided with a first bent extending portion 44 that is bent obliquely in the middle of the horizontal extending portion 43, The upper part is bent at an obtuse angle, not an acute angle or a right angle. At an upper end of the first bending extension 44, an oblique extension 45, which is curved at an obtuse angle in the opposite direction, is integrally connected. At the end of the oblique extension 45, The second fold extension portion 46 is extended to form a zigzag shape upward, and a vertical mail contact portion 47 is formed at an upper end thereof. The angled obtuse angle between the center of the inclined extension 45 and the second bend extension 46 and the angle of obtuse angle between the second bend extension 46 and the outward direction of the mail contact 47.

According to this structure, the zigzag-shaped obtuse-angled bent structure is positioned between the horizontal extending portion 43 and the vertical mail contacting portion 47, and the mail contacting portion 47 is elastically moved forward, backward, do.

(b), the mail connection portion 401 extends in the direction of collecting, extends vertically upward to the mail vertical portion 402, extends again to the first horizontal extension portion 403 in the direction of collecting at the end portion thereof And a first vertical extension 404 is vertically formed upward at the rearward end. At an end portion of the first vertical extension portion 404, the inclined extension portion 405 extends at an obtuse angle in a direction away from the first vertical extension portion 404, and the second vertical extension portion 406 extends vertically at the end portion. At that end, the second horizontal extension 407 is extended in the direction of collecting again, finally forming a vertical mail contact 408.

Similarly, according to this structure, the first and second vertical extensions 404 and 406 are provided so that the inclined extension 405 and the first and second horizontal extensions 403 and 407 are not directly connected to an acute angle, So that the flow pattern is different from that of the curve or acute angle or acute angle structure.

5 is a view showing a cross-sectional shape of a mail terminal and a female terminal according to the present invention. 5, a female terminal 140 is connected to a board through a female connection 141, a female main body 143 is elongated and supported in the female housing 110, And a bent end 145 that is turned in the outward direction. The terminal that has been turned on has a protruding contact portion 147 protruding outwardly and the protruding contact portion 147 is connected to the mail contact portion 47 of the mail terminal 40.

Even if a vertical impact is applied to the end portion of the male terminal 140 because the male terminal 140 is not assembled or assembled properly, the male terminal 140 does not deform in the vertical direction due to the U-turn type bent portion 145, So that the damage can be avoided.

6 and 7 are views showing the construction of a mail metal shell and a mail metal shell according to the present invention. Referring to FIGS. 6 and 7, the mail metal shell 30 surrounds the outside of the fixed housing 20, and the lower end of the mail metal shell 30 protrudes from the connector 32 to be grounded to the substrate. A contact spring portion 34 protruding upward is exposed at the upper edge of the frame along the rim.

The metal metallic shell 130 is provided to surround the outer surface of the female housing 110, and the upper end of the metal metallic shell 130 is connected to the substrate by protruding a connecting portion 1320. The metal metallic shell 130 is held at the edges of the metallic metallic shell 130 and the metallic metallic shell 130 and the metallic metallic shell 130 are connected to each other. And has an inwardly curved contact surface portion 134 projecting downward. The contact surface portion 134 has a horizontal surface portion 135 extending inward from the rim.

When the engagement between the mail connector 1 and the female connector 101 is completed, the contact spring portion 34 comes into contact with the horizontal surface portion 135 and functions as a shield over the entire surface. At this time, in order for the connection to be continued even in the same manner as A and B, the horizontal surface portion 135 is formed to be larger than the entire movable range of the contact spring portion 34. The horizontal surface portion 135 is configured to be larger than 1.2 mm in width if it is possible to flow 0.6 mm in the front, rear, left, and right directions at the contact portion of the contact spring portion 34 and the horizontal surface portion 135.

On the other hand, the contact spring portion and the horizontal surface portion can be selectively provided in each of the mail connector 1 and the female connector 101.

8 is a view showing a coupling structure between a movable housing and a mail power terminal according to the present invention. 8 (a) and 8 (b), the movable housing 10 has a structure in which the upper and lower openings are opened inwardly, and the end walls 12 connecting the elongated side walls 11 with both ends form a rim do.

The upper end side exposed surface 52 of the mail power terminal 50 is exposed to the inside of the side wall 11 and the lower side is exposed to the inside of the movable housing 50. [ (10), or exposed to the outside after penetrating.

An exposed surface 52 is provided in the upper seating portion 13 and a lower portion of the exposed surface 52 is provided in the penetrating portion 14 penetrating the side wall 11 in the side wall 11 of the movable housing 10 . The lower side of the mail power terminal 50 fixed to the penetrating portion 14 extends downward or is provided on the lower seating portion 15 formed on the outside and is exposed to the outside. As the exposed surface 52 is provided inside the side wall 11, the influence of the foreign substance is reduced, and the influence of the external impact is also reduced.

9 is a view showing a combination of a mail connector and a mail connector according to the present invention. 9, protrusions 17 are formed only on the left side of the movable housing 10, and grooves 117 are formed only in the left inner side of the female housing 110, 117, respectively.

In this case, since the projections 17 and the grooves 117 are formed so as to correspond only to one side of the left and right or one side of the upper and lower sides, when they are coupled in the opposite direction, the projections 17 and the grooves 117 can not be engaged with each other. It becomes. On the other hand, the protrusion 17 and the groove 117 can be selectively formed in each of the mail connector 1 and the mail connector 101.

While the preferred embodiments of the present invention have been described with reference to the accompanying drawings, it is to be understood that the scope of the present invention should not be construed as being limited to those embodiments and / or drawings, . It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

1: Mail Connector
10: movable housing 11: side wall
12: end wall 13: upper seating portion
14: penetrating part 15: lower seating part
17: projection 20: fixed housing
30: mail metal shell 32: connection
34: contact spring portion 35: contact portion
40: Mail terminal 41: Mail connection part
42: mail vertical part 43: horizontal extension part
44: first bending extension 45: inclined extension
46: second bending extension part 47:
401: mail connection part 402: mail vertical part
403: first horizontal extension part 404: first vertical extension part
405: inclined extension part 406: second vertical extension part
407: second horizontal extension part 408:
50: mail power terminal 52: exposed face
101: a female connector 110: a female housing
117: Home 130: Metal Metal Shell
132: connecting portion 134:
135: horizontal plane portion 140:
141: a mail connection unit 143:
145: bent end 147:
150: Power supply terminal

Claims (10)

1. A connector for electrically connecting an upper substrate and a lower substrate so that they can flow with each other,
A male connector in contact with any one of the upper substrate and the lower substrate,
And a female connector in contact with the other of the upper substrate and the lower substrate,
The mail connector includes a mail housing, a mail terminal and a mail power terminal,
Wherein the female connector includes a female housing, a female terminal, and a female power terminal,
And said male connector and said female connector are capable of flowing back and forth or laterally in a mutually connected state.
The method according to claim 1,
The mail housing comprises:
A stationary housing fixedly positioned on the substrate; And
And a movable housing spaced apart from the fixed housing and movable relative to the fixed housing,
The mail terminal includes:
A mail connection unit connected to the board;
A mail vertical portion extending vertically from the connection portion and supported by the fixed housing;
A mail contact which is located inside the movable housing and is supported by the movable housing and is in contact with the mail terminal; And
And a mail flow portion provided between the mail vertical portion and the mail contact portion and being operated.
3. The method of claim 2,
The mail flow unit includes:
A horizontal extension portion that is bent perpendicularly from the mail vertical portion and extends horizontally;
A first bending extension portion extending obliquely upwardly from the horizontal extension portion;
An inclined extension portion that is bent again toward the side opposite to the extending direction of the first bent extension portion and extends upwardly inclined; And
And a second bending extension portion extending upwardly from an opposite side of the upwardly extending direction of the inclined extension portion and having a vertically connected mail contact portion at an end thereof.
3. The method of claim 2,
The mail flow unit includes:
A first horizontal extension portion that is bent perpendicularly from the mail vertical portion and extends horizontally;
A first vertical extension bent perpendicularly from the horizontal extension and extending vertically upward;
An inclined extension extending upwardly from the end of the first vertical extension part in a direction to widen again;
A second vertical extension bent perpendicularly from an end of the inclined extension and extending upward; And
And a second horizontal extension portion extending horizontally from the second vertical extension portion in a direction perpendicular to the first vertical extension portion and being connected to the vertical mail contact portion at an end thereof.
3. The method of claim 2,
Said movable housing comprising:
A pair of opposed side walls and a pair of end walls provided at both ends of the pair of side walls,
An upper seating portion is formed on the upper side of the movable housing in the direction in which the female connector is drawn,
A lower seating part is formed on the lower side of the movable housing in the inside or outside of the side wall,
Wherein the upper seating portion and the lower seating portion are connected to a penetrating portion penetrating the side wall,
Wherein the mail power terminal is seated on the lower seating portion and the through portion, and the upper end is seated on the upper seating portion, so that the exposed surface is disposed inside the side wall.
The method according to claim 1,
The mail terminal includes:
A female connection portion connected to the substrate;
A mail main body supported by the mail housing;
A bent end portion that is bent and bent at an end portion of the main body portion of the mail; And
And a protruding contact portion extending from the bent end portion toward the outward direction and then bent toward the inside,
And the male terminal is in contact with the male terminal through the projecting contact portion.
The method according to claim 1,
A mail metal shell having a mail body arranged in four directions along an outer surface of a fixed housing of the mail housing fixedly positioned on the substrate; And
And a female metal shell having a female body disposed in four directions along the outer surface of the female housing.
8. The method of claim 7,
Wherein either one of the mail main body of the mail metal shell or the main body of the mail metal shell of the mail metal shell is provided with a contact spring portion protruding toward the mutually facing direction,
Wherein the contact surface portion is formed at a position corresponding to the contact spring portion on the other of the mail main body of the mail metal shell or the main body of the mail metal shell of the mail metal shell and when the mail connector and the non- And a contact portion of the contact spring portion is in contact with the contact surface portion.
9. The method of claim 8,
Wherein the contact surface portion has a horizontal surface portion facing the contact portion and having a horizontal area,
Wherein an area of the horizontal surface portion is larger than a movable range of the contact portion when a relative position is changed according to a flow between the mail connector and the female connector.
The method according to claim 1,
Wherein the housing of either one of the positions where the mail housing and the mail housing are engaged with each other has a projection, and the housing on the other side has a groove,
Wherein the projections and the grooves are provided at positions that are not symmetrical so that the protrusions and the grooves engage with each other only when the male connector and the male connector are inserted in a predetermined direction so that insertion is continued.

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