KR102182143B1 - Plug connector and connector assembly including the same - Google Patents

Abstract

A plug connector and a connector assembly including the same are provided. The plug connector includes a housing portion having a through hole penetrating the inside thereof in a length direction thereof, and a terminal portion extending from one surface of the housing portion and protruding in the length direction of the housing portion, wherein the terminal portion, the one surface of the housing portion is bent. A first connection part extending into the through hole, a second connection part bent inside the housing part and extending outward of the through hole, and a second connection part extending out of the second connection part and exposed to the outside of the housing part. It includes a contact part.

Description

Plug connector and connector assembly including the same {PLUG CONNECTOR AND CONNECTOR ASSEMBLY INCLUDING THE SAME}

The present invention relates to a plug connector and a connector assembly including the same.

The connector assembly serves to electrically connect a board or a cable including a plug connector and a receptacle connector connected thereto. Specifically, the plug connector includes a protruding terminal portion, and the receptacle connector includes an insertion hole into which the terminal portion is inserted.

In such a connector assembly, when the plug connector and the receptacle connector are fastened or maintained in contact between terminals after fastening, it may be an important factor determining product reliability.

Korean Patent Registration No. 10-1458621 discloses a surface mountable electrical connector.

The problem to be solved by the present invention is to provide a plug connector having improved product reliability.

Another problem to be solved by the present invention is to provide a connector assembly including a plug connector having improved product reliability and a receptacle connector coupled thereto.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

The plug connector according to an embodiment of the present invention for solving the above-described problems includes a housing portion having a through hole penetrating the inside thereof in a longitudinal direction, and a terminal extending from one surface of the housing portion and protruding in the length direction of the housing portion Including a portion, wherein the terminal portion, a first connection portion extending into the through hole by bending the one surface of the housing portion, a second connection portion extending outward of the through hole by bending the first connection portion inside the housing portion, And a contact part extending from the second connection part and exposed to the outside of the housing part.

In some embodiments of the present invention, the first bent portion may be bent from one end of an upper surface of the housing portion to extend inward.

In some embodiments of the present invention, the one surface of the housing part and the first connection part are connected through a first bent part bent inward of the through hole, and the first connection part and the second connection part are bent outward of the through hole. The second bent portion is connected to each other, and the first bent portion and the second bent portion may provide elasticity in a vertical direction.

In some embodiments of the present invention, the contact portion may include a protrusion formed on one side.

In some embodiments of the present invention, the contact portion may include an overlapping portion that is bent and compressed from both ends of the contact portion in the width direction to the other side of the contact portion.

In some embodiments of the present invention, a board on which the bottom surface of the housing part is mounted may be further included.

In some embodiments of the present invention, the housing part and the terminal part may be integrally formed.

A connector assembly according to an embodiment of the present invention for solving the above-described problems is a plug connector mounted on a board, wherein the plug connector is a first housing portion having a through hole penetrating the inside in its longitudinal direction, the And a terminal portion extending from at least one surface of the housing portion and protruding in the longitudinal direction of the housing portion, wherein the terminal portion includes: a first bent portion extending into the through hole by bending the one surface of the housing portion, and the first bent portion A second bent portion bent inside the through hole and extending in the longitudinal direction of the housing portion, a plug connector including a contact portion exposed to the outside of the housing portion, and a second housing portion having an insertion hole into which the terminal portion is inserted. Includes receptacle connector.

In some embodiments of the present invention, the receptacle connector includes a fixing part extending from one surface of the second housing part and extending in an inward direction of the insertion hole, and a protrusion protruding from the other surface opposite to the one surface, and the terminal part When inserted, the fixing part may press one surface of the terminal part, and the protrusion part may be fixed by pressing the other surface of the terminal part.

In some embodiments of the present invention, the contact portion may include a protrusion formed on one side.

In some embodiments of the present invention, the fixing portion may include an end portion having one end bent at a predetermined angle, and the end portion may guide the protrusion to a curved surface of the end portion when the terminal portion is removed.

In some embodiments of the present invention, the contact portion may include an overlapping portion that is bent and compressed from both ends of the contact portion in the width direction to the other side of the contact portion.

In some embodiments of the present invention, the fixing part and the second housing part may be integrally formed.

In some embodiments of the present invention, a first board on which a bottom surface of the first housing portion is mounted, and a second board on which a bottom surface of the second housing portion is mounted may be further included.

Other specific details of the present invention are included in the detailed description and drawings.

In the connector assembly of the present invention, since the plug connector includes a terminal portion including two connecting portions overlapping by forming two bent portions, deformation of the terminal portion can be suppressed by elastic deformation of the connection portion against a relative positional variation of the plug connector. . This improves the electrical connectivity between the plug connector and the receptacle connector.

Therefore, the plug connector and the connector assembly including the same according to the embodiments of the present invention may have improved product reliability.

1 is a perspective view of a connector assembly according to an embodiment of the present invention.
2A to 2C are perspective views of a plug connector included in a connector assembly according to an embodiment of the present invention.
3A to 3B are perspective views of a receptacle connector included in a connector assembly according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 1 to explain a shape before assembly of a connector assembly according to an embodiment of the present invention.
FIG. 5 is a cross-sectional view taken along line A-A' of FIG. 1 in order to explain a shape after assembly of a connector assembly according to an embodiment of the present invention.
6 is a perspective view of a connector assembly according to an embodiment of the present invention.
7A and 7B are cross-sectional views for explaining the operation of the connector assembly according to an embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms different from each other, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

When one component is referred to as "connected to" or "coupled to" with another component, it is possible to directly connect or couple with another component, or to intervene another component. Includes all cases. On the other hand, when one component is referred to as "directly connected to" or "directly coupled to" with another component, it indicates that no other component is intervened. "And/or" includes each and every combination of one or more of the recited items.

That a component is referred to as "on" or "on" of another component includes both the case where the other component is interposed not only above the other component but also in the middle. On the other hand, when a component is referred to as "directly on" or "directly on" of another component, it indicates that no other component is intervened.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc., as shown in the figure It can be used to easily describe the correlation between components and other components. Spatially relative terms should be understood as terms including different directions of the device during use or operation in addition to the directions shown in the drawings. For example, when an element shown in the figure is turned over, a component described as "below" or "beneath" of another element may be placed "above" another element. . Accordingly, the exemplary term “below” may include both directions below and above. Components may be oriented in other directions, and thus spatially relative terms may be interpreted according to the orientation.

The terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used in the specification, "comprises" and/or "comprising" refers to the presence of one or more other components, steps, actions and/or elements in the referenced components, steps, actions and/or elements. Or does not exclude additions.

Although the first, second, and the like are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are only used to distinguish one component from another component. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical idea of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings that can be commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not interpreted ideally or excessively unless explicitly defined specifically.

Hereinafter, a plug connector and a connector assembly including the same according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7B.

1 is a perspective view of a connector assembly according to an embodiment of the present invention. 2A to 2C are perspective views of a plug connector included in a connector assembly according to an embodiment of the present invention. 3A to 3B are perspective views of a receptacle connector included in a connector assembly according to an embodiment of the present invention. FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 1 to explain a shape before assembly of a connector assembly according to an embodiment of the present invention. FIG. 5 is a cross-sectional view taken along line AA′ of FIG. 1 in order to explain a shape after assembly of a connector assembly according to an embodiment of the present invention. 6 is a perspective view of a connector assembly according to an embodiment of the present invention. 7A and 7B are cross-sectional views for explaining the operation of the connector assembly according to an embodiment of the present invention.

A connector assembly according to an embodiment of the present invention may include a plug connector 100 and a receptacle connector 200.

The plug connector 100 may include a first housing portion 105 mounted on the first board 500 and a terminal portion 160 extending and protruding from one surface of the first housing portion 105.

The first housing portion 105 may include a bottom portion 145, a side portion 155, and an upper portion 110. The side portion 155 may be a portion that is bent and extended from the upper surface portion 110 in the second direction Y. The bottom portion 145 is formed by bending from the side portion 155 in the first direction X, and may contact the first board 500. In this specification, the first direction Y may be the width direction of the first housing part 105, and the third direction Z may be the length direction of the first housing part 105.

In some embodiments of the present invention, the bottom portion 145 may be formed such that both ends bent from both sides of the side portion 155 meet, as illustrated in FIGS. 2A to 2C. However, the present invention is not limited thereto, and contrary to the illustration, the upper surface portion 110 may be formed such that both ends bent from both sides of the side portion 155 meet.

A through hole that penetrates the first housing portion 105 in the third direction (Z), that is, the length direction, by the upper surface portion 110, the side portion 155, and the bottom portion 145 of the first housing portion 105. 140) can be defined.

The first housing part 105 may include, for example, a conductive material, and may include at least one of copper, aluminum, gold, or silver, but the present invention is not limited thereto. In some embodiments of the present invention, a tin plating layer may be formed on the surface of the first housing part 105.

The terminal unit 160 may extend from one surface of the first housing unit 105. In some embodiments of the present invention, one surface of the first housing portion 105 may be the upper surface portion 110 of the first housing portion 105 as illustrated in FIG. 4. That is, the terminal portion 160 may be formed to be bent from the upper surface portion 110 of the first housing portion 105 and protrude in the third direction (Z).

Specifically, the terminal unit 160 includes a first connecting portion 120 and a first connecting portion 120 extending by bending the upper surface portion 110 of the first housing portion 105 in the inward direction of the through hole 140 Is bent inside the first housing part 105 and extends out of the through hole 140 and extends from the second connection part 131 and the second connection part 131 to be exposed to the outside of the first housing part 105 and receptacle connector It may include a contact portion 130 in contact with the 200.

The first connecting portion 120 and the upper surface portion 110 of the first housing portion 105 may be connected to each other through a first bent portion 115 that is bent inward of the through hole 140. The first connection part 120 and the second connection part 131 may be connected to each other through a second bent part 125 that is bent inside the through hole 140.

The first connection portion 120 and the upper surface portion 110 of the first housing portion 105 may face each other through the first bent portion 115. The first connection portion 120 and the second connection portion 131 may face each other through the second bent portion 125. The upper surface portion 110, the first connection portion 120, and the second connection portion 131 of the first housing portion 105 may overlap each other in the second direction (Y). On the other hand, the contact part 130 exposed to the outside of the first housing part 105 is the upper surface part 110 of the first housing part 105, the first connection part 120, the second connection part 131 and the second direction ( Y) may not overlap each other.

The first bent portion 115 and the second bent portion 125 may provide elasticity in the vertical direction (eg, the Y direction of FIG. 1) to the terminal portion 160 due to their respective shapes. That is, the terminal unit 160 may act as a cantilever having one side connected to the upper surface portion 110 of the first housing unit 105 through the first bent portion 115 and the second bent portion 125. Therefore, when the terminal unit 160 is inserted with the receptacle connector 200, contact between the terminal unit 160 and the receptacle connector 200 may be maintained despite the displacement of the plug connector 100 or the receptacle connector 200. .

In some other embodiments of the present invention, the terminal portion 160 may extend from the bottom portion 145 of the first housing portion 105. That is, the terminal unit 160 includes a first connection unit 120 that extends by bending the bottom portion 145 of the first housing unit 105 in the inner direction of the through hole 140, and a second connection unit 120 connected thereto, respectively. A connection part 131 and a contact part 130 may be included.

The terminal unit 160 may be formed integrally with the first housing unit 105. Accordingly, the terminal unit 160 may include a conductive material such as copper, aluminum, silver, gold, etc. like the first housing unit 105, but the present invention is not limited thereto.

The contact part 130 may include a protrusion 135 formed on one side. In the present specification, the upper surface of the contact portion on which the protrusion 135 is formed is referred to as one side, and the lower surface opposite to the upper surface is referred to as the other side. The protrusion 135 may be formed to protrude in the second direction Y from one side of the contact part 130. When the plug connector 100 and the receptacle connector 200 are coupled, the protrusion 135 may function to fix the terminal 160 so as not to be removed.

An overlapping portion 132 may be formed on the other side of the contact portion 130. Specifically, the overlapping portion 132 may be formed by bending from both ends of the contact portion 130 in the width direction X to the other side of the contact portion 130. In some embodiments of the present invention, the overlapping portion 132 may be formed flat by compressing the portion bent toward the other side to the rear surface of the contact portion 130. Due to the increased thickness of the terminal portion 160 due to the overlapping portion 132, the receptacle connector 200 and the plug connector 100 may act as a jaw that prevents the terminal portion 160 from falling off when the receptacle connector 200 and the plug connector 100 are coupled.

The mounting unit 150 may electrically connect the plug connector 100 and the first board 500. The plug connector 100 may be fixed by soldering the mounting part 150 on the first board 500, for example. A wiring pattern may be formed on the mounting portion 150 and the surface of the first board 500 to be mounted.

The receptacle connector 200 may include a second housing portion 205 in which an insertion hole 255 into which the terminal portion 160 is inserted is formed.

The second housing part 205 may include a bottom part 230, a side part 245, and an upper part 210. The side portion 245 may be a portion that is bent and extended from the upper surface portion 210 in the second direction Y. The bottom part 230 is formed by bending from both sides of the side part 245 in the first direction X, and may contact the second board 600.

In some embodiments of the present invention, the bottom portion 145 may be formed such that both ends bent at both sides of the side portion 245 meet, as shown in FIGS. 3A to 3B, but the present invention is not limited thereto. Contrary to the illustration, the upper surface portion 210 may be formed so that both ends bent from both sides of the side portion 245 meet each other.

In some embodiments of the present invention, the second housing part 205 may be completely penetrated by the insertion hole 255 as shown in FIG. 3B, but the present invention is not limited thereto. The second housing portion 205 may be formed to close the opposite side to the side into which the terminal portion 160 is inserted.

The fixing part 225 may extend from the upper surface part 210 of the second housing part 205. Specifically, the fixing part 225 may be formed such that the upper surface part 210 of the second housing part 205 is bent and extended in the inner direction of the insertion hole 255. A bent portion 215 may be formed between the upper surface portion 210 of the second housing portion 205 and the fixing portion 225 to be bent inward of the insertion hole 255.

When the terminal unit 160 is inserted into the receptacle connector 200 through the insertion hole 255, the fixing unit 225 is one side of the terminal unit 160 inserted through the first protrusion 220 protruding from the surface thereof. Can be in contact with. At the same time, the second protrusion 235 protruding from the bottom portion 230 of the second housing portion 205 may contact the overlapping portion 132.

The fixing part 225 has one end fixed to the upper surface part 210 of the second housing part 205, and the vertical direction of the bottom part 230 of the second housing part 205 (that is, the downward direction in FIG. 4) It can provide elasticity. When the terminal unit 160 is not inserted, the first protrusion 220 and the second protrusion 235 may be spaced apart from each other. However, the present invention is not limited thereto, and when the terminal unit 160 is not inserted, the first protrusion 220 may be in contact with the second protrusion 235 by the force pressed by the fixing unit 225 have.

One end of the fixing portion 225 may be bent at a predetermined angle to form an end portion 221. The distal end 221 may guide the protrusion 135 with a bent surface to prevent one end of the fixing part 225 from being damaged by the protrusion 135 when the terminal unit 160 is removed.

In some embodiments of the present invention, the fixing part 225 may be composed of two fixing parts 225a and 225b spaced apart from each other in the first direction X. Two first protrusions 220a and 220b are formed on the two fixing parts 225a and 225b, respectively, and two second protrusions 235a and 235b on the bottom 230 corresponding thereto may also be formed in two. . However, the present invention is not limited thereto, and only one fixing part 225, the first protrusion 220, and the second protrusion 235 may be formed.

The second housing part 205 may be mounted on the second board 600 by the mounting part 250. The mounting unit 250 may be fixed to the second board 600 through soldering or the like, and a wiring pattern may be formed on the surface of the second board 600 on which the mounting unit 250 is mounted.

When the terminal unit 160 is inserted into the insertion hole 255 and the plug connector 100 and the receptacle connector 200 are fastened, the fixing unit 225 contacts the terminal unit 160 through the first protrusion 220 One side of the terminal unit 160 is pressed. At the same time, the second protrusion 235 on the bottom portion 230 of the second housing portion 205 contacts the other side of the terminal portion 160, that is, the overlap portion 132 and presses it. Through this, an electrical connection between the plug connector 100 and the receptacle connector 200 may be formed.

Meanwhile, the external product applied to the first and second boards 500 and 600 on which the plug connector 100 and the receptacle connector 200 are mounted, respectively, or the electronic product on which the first and second boards 500 and 600 are mounted Due to a factor, a relative position between the first and second boards 500 and 600 or between the plug connector 100 and the receptacle connector 200 may be changed.

That is, in a normal environment, the first and second boards 500 and 600 are arranged side by side in the third direction Z as shown in FIG. 5, and the plug connector 100 and the receptacle connector 200 are Are combined.

However, product deformation occurs due to heat generated in the plug connector 100 and the receptacle connector 200 or in the electronic product electrically connected thereto, or vibration on the plug connector 100 and the receptacle connector 200 Can be applied. In this case, the positional relationship between the plug connector 100 and the receptacle connector 200 may be changed as shown in FIGS. 7A and 7B.

7A and 7B show a case where the horizontal level of the first plug connector 100 is relatively increased by the first distance D1 due to external factors (FIG. 7A) and the horizontal level of the first plug connector 100 This is the case where the level is relatively lowered by the second distance D2 (FIG. 7B).

The plug connector 100 according to some embodiments of the present invention includes a first connection part 120 and a second connection part connected to each other by a second bent part 125 inside the first housing part 105 and facing each other. 131). Therefore, when displacement of the first plug connector 100 occurs, the first connection part 120 and the second connection part 131 are elastically deformed, respectively, and the deformation of the contact part 130 extending from the second connection part 131 can be suppressed. have.

Accordingly, contact between the contact portion 130 and the fixing portion 225 or the second protrusion 235 is maintained, and an electrical connection between the plug connector 100 and the receptacle connector 200 may be maintained.

Accordingly, the connector assembly according to the embodiment of the present invention can ensure operational reliability despite the occurrence of displacement between connectors due to vibration or heat.

In FIGS. 7A and 7B, the displacement of the plug connector 100 in the translation direction with respect to the receptacle connector 200 has been described, but the first board 500 rotates at a predetermined angle with respect to the second board 600 It will be apparent that contact between the terminal unit 160 and the receptacle connector 200 can be maintained by the elastic deformation of the first connection unit 120 and the second connection unit 131 even in the case of direction displacement.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features. You can understand. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting.

100: plug connector 105: first housing part
110, 210: upper surface portion 115: first bent portion
120: first connecting portion 125: second bent portion
130: contact portion 140: through hole
200: receptacle connector 205: second housing part
220: first protrusion 225: fixing portion
235: second protrusion

Claims (14)

A housing portion having a through hole penetrating the inside in the longitudinal direction thereof; And
A terminal portion extending from one surface of the housing portion and protruding in the longitudinal direction of the housing portion,
The terminal part,
A first connection part wherein the one surface of the housing part is bent to extend into the through hole,
A second connection part that is bent inside the housing part and extends to the outside of the through hole, and
A plug connector including a contact portion extending from the second connection portion and exposed to the outside of the housing portion. The method of claim 1,
The first connection part is a plug connector that is bent from one end of an upper surface of the housing part and extends inward. The method of claim 1,
The one surface of the housing part and the first connection part are connected through a first bent part bent inside the through hole,
The first connecting portion and the second connecting portion are connected through a second bent portion bent outward of the through hole,
The first bent portion and the second bent portion is a plug connector that provides elasticity in a vertical direction. The method of claim 1,
The plug connector including a protrusion formed on one side of the contact portion. The method of claim 4,
The contact portion,
A plug connector comprising an overlapping portion bent and compressed from both ends of the contact portion in the width direction to the other side of the contact portion. The method of claim 1,
A plug connector further comprising a board on which a bottom surface of the housing part is mounted. The method of claim 1,
The plug connector formed integrally with the housing part and the terminal part. A plug connector mounted on a board, wherein the plug connector includes a first housing portion having a through hole penetrating the inside in a length direction thereof, and a terminal portion extending from at least one surface of the housing portion and protruding in the length direction of the housing portion. , The terminal part,
A first bent portion wherein the one surface of the housing portion is bent to extend into the through hole,
A second bent portion extending in the longitudinal direction of the housing portion by bending the first bent portion inside the through hole,
A plug connector including a contact portion exposed to the outside of the housing portion; And
A connector assembly including a receptacle connector including a second housing portion having an insertion hole into which the terminal portion is inserted. The method of claim 8,
The receptacle connector, a fixing part extending from one surface of the second housing part and extending in the inner direction of the insertion hole, and
And a protrusion protruding from the other surface facing the one surface,
When the terminal part is inserted, the fixing part presses one surface of the terminal part, and the protrusion part presses the other surface of the terminal part to fix it. The method of claim 9,
The connector assembly including a protrusion formed on one side of the contact portion. The method of claim 10,
The fixing portion includes an end portion whose one end is bent at a predetermined angle,
The distal end of the connector assembly for guiding the protrusion to the curved surface of the distal end when the terminal part is removed. The method of claim 9,
The contact portion,
A connector assembly comprising an overlapping portion bent and compressed from both ends of the contact portion in the width direction to the other side of the contact portion. The method of claim 9,
A connector assembly formed integrally with the fixing part and the second housing part. The method of claim 8,
A first board on which the bottom surface of the first housing part is mounted, and
A connector assembly further comprising a second board on which a bottom surface of the second housing part is mounted.

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