KR101595188B1 - Self-alignable electric connection device and connector - Google Patents

Self-alignable electric connection device and connector Download PDF

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Publication number
KR101595188B1
KR101595188B1 KR1020140148276A KR20140148276A KR101595188B1 KR 101595188 B1 KR101595188 B1 KR 101595188B1 KR 1020140148276 A KR1020140148276 A KR 1020140148276A KR 20140148276 A KR20140148276 A KR 20140148276A KR 101595188 B1 KR101595188 B1 KR 101595188B1
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KR
South Korea
Prior art keywords
connector
housing
spring member
component
electrical connection
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KR1020140148276A
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Korean (ko)
Inventor
백현철
정재엽
박주현
Original Assignee
델피 인터내셔널 오퍼레이션즈 룩셈부르크 에스.에이 알.엘.
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Application filed by 델피 인터내셔널 오퍼레이션즈 룩셈부르크 에스.에이 알.엘. filed Critical 델피 인터내셔널 오퍼레이션즈 룩셈부르크 에스.에이 알.엘.
Priority to KR1020140148276A priority Critical patent/KR101595188B1/en
Application granted granted Critical
Publication of KR101595188B1 publication Critical patent/KR101595188B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement

Abstract

The present invention provides an electrical connection device for electrical connection between a first part and a second part assembled under mounting tolerances. The electrical connection device includes a first connector disposed on the first component and a second connector disposed on the second component, the second connector mating with the first connector in the connector mating direction and the connector mating position. The first connector includes a first housing formed to hold the first electrical terminal and having a guiding surface inclined with respect to the connector aligning direction. The second connector includes a second housing for holding the second electrical terminal and a first spring member for supporting the second housing. The second housing of the second connector has a contact surface that contacts a guide surface of the first housing. The first spring member is coupled to the second housing and to the second component. The first spring member resiliently supports the second housing to displace the second housing to the connector mating position in response to the contact between the guide surface and the contact surface.

Description

[0001] SELF-ALIGNABLE ELECTRIC CONNECTION DEVICE AND CONNECTOR [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical connection apparatus for electrical connection between two parts, and more particularly to an electrical connection apparatus used in a vehicle.

The electrical wiring system of the vehicle performs electrical connection between the power source and the vehicle lamp, electrical connection between parts for engine control, and electrical connection between the sensor and the instrument. A vehicle lamp such as a head lamp or a tail lamp is supplied with power from a power source provided in the vehicle. For electrical connection between the vehicle lamp and the power source, matching is established between the connector provided in the vehicle lamp and the corresponding connector. As an example of electrical connection for such a vehicle lamp, Korean Patent Laid-Open Publication No. 2000-0006407 discloses an electric connection between a head lamp and a vehicle through a connection between a connector provided in a head lamp and a connector provided in a vehicle body, It is suggested that the battery is electrically connected.

Korean Patent Publication No. 2000-0006407

Generally, the vehicle lamp is mounted on the concave portion of the vehicle body. Therefore, the connector corresponding to the connector of the vehicle lamp is located in the concave and narrow portion of the vehicle body. This does not allow easy access to the corresponding connector to the assembly operator of the vehicle assembly line, resulting in difficulty in assembling and increasing the working time.

In order to eliminate the assembling worker and realize the automatic assembly, the corresponding connector is fixed in place of the vehicle body, the vehicle lamp is fitted to the vehicle body by the automatic assembling machine, and the connector of the vehicle lamp is matched with the corresponding connector Can be considered. The connectors of the vehicle lamp and the corresponding bodies of the vehicle body can generally be aligned and matched only within a small tolerance range. However, if an auto-assembly machine incurs a tolerance outside the tolerances permitting connector connection when the vehicle lamp is inserted into the vehicle body, the connector of the vehicle lamp and the connector of the corresponding bodywork can not be aligned and can not be matched. Therefore, when the vehicle lamp is assembled to the vehicle body by the auto assembling machine, the vehicle lamp must be inserted into the vehicle body only within a tolerance range in which the two connectors described above can be aligned.

SUMMARY OF THE INVENTION The present invention has been devised to overcome the above-described problems of the prior art, and it is an object of the present invention to provide an electric device which is applied to a first part and a second part assembled under a mounting tolerance, Thereby providing a connection device.

The present invention also provides a connector having a structure that can perform self-alignment in response to contact with a corresponding connector.

One aspect of the present invention provides an electrical connection device for electrical connection of a first part and a second part to be assembled under a mounting tolerance. The electrical connection device of the exemplary embodiment includes a first connector disposed on the first component and a second connector disposed on the second component. The second connector mates with the first connector at a connector mating direction and at a connector mating position. The first connector includes at least one first electrical terminal and a first housing configured to hold the first electrical terminal. The first housing is coupled to the first component and has a guide surface that is inclined with respect to the connector alignment direction. The second connector includes a second electrical terminal, a second housing formed to hold the second electrical terminal, and a first spring member supporting the second housing. The second electrical terminal is complementarily coupled to the first electrical terminal at the connector mating direction and the connector mating position. The second housing has a contact surface that contacts the guide surface. The first spring member is coupled to the second housing and to the second part. The first spring member supports the second housing to displace the second housing to the connector mating position in response to the contact between the guide surface and the contact surface.

In one embodiment, the first spring member is deformable such that the second housing is displaced in at least one axial direction of the three-dimensional axial direction having the connector alignment direction in one axial direction. In addition, the first spring member includes a strip spring at least partially curved.

In one embodiment, the second connector further comprises a second spring member having a stiffness greater than the stiffness of the first spring member. The second spring member biases the second housing in the connector alignment direction with the first housing. In addition, the second spring member includes a strip spring extending from the first spring member and being at least partially curved. In addition, one end of the second spring member is formed as a free end spaced from the first spring member.

In one embodiment, the second connector further comprises a fixing member coupled to the second component and supporting the first spring member. The first spring member is detachably coupled to the fixing member.

In one embodiment, the first housing includes at least one guide sleeve extending along the connector alignment direction, and the second housing includes an insertion pin extending along the connector alignment direction and inserted into the guide sleeve Respectively. In this embodiment, the guide surface is formed at the front end of the guide sleeve, and the contact surface is formed at the front end of the insertion pin.

In one embodiment, the first connector further includes at least one bolting hole penetrating a bolt for mounting to the first component at a rear end of the first housing in the connector aligning direction.

In one embodiment, one of the first component and the second component is coupled to the other of the first component and the second component in at least one axial direction of the three-dimensional coordinate axes having the connector alignment direction as one axis Lt; / RTI >

In one embodiment, one of the first part and the second part is a vehicle body, and the other of the first part and the second part is a vehicle lamp assembled to the vehicle body.

Another aspect of the invention provides a self-aligning connector. A connector according to an embodiment is disposed on either the first component or the second component and mates in a connector mating direction and a connector mating position with a corresponding connector disposed on the other of the first component and the second component. The connector of the exemplary embodiment includes a fixing member coupled to any one of the first component and the second component, at least one electrical terminal, a housing formed to hold the electrical terminal, A first spring member detachably coupled to the fixing member and supporting the housing, and a second spring member disposed on the first spring member. The housing has a contact surface that is tilted with respect to the connector mating direction and contacts a portion of the corresponding connector. The first spring member supports the housing such that the housing is displaced to the connector mating position in response to contact between the portion of the corresponding connector and the contact surface. The second spring member has a stiffness greater than the rigidity of the first spring member and biases the housing in the connector alignment direction.

In one embodiment, the first spring member is deformable such that the housing is displaced in at least one axial direction of the three-dimensional axial direction having the connector alignment direction in one axial direction. The first spring member also includes a strip spring extending from the housing and at least partially curved.

In one embodiment, one end of the second spring member is formed as a free end spaced from the first spring member.

In one embodiment, the housing includes an insertion pin extending along the connector alignment direction and having the contact surface formed at the front end thereof.

In one embodiment, the connector further includes a terminal position determining member which is pivotally coupled to the housing at a rear end of the housing and fixes the electrical terminal to the housing.

According to the electrical connection apparatus according to the embodiment, at the time of mating of the both connectors, the housing of one connector is displaced to a position where both connectors can match with the contact with the housing of the other connector. Reliable and accurate coupling of both connectors can be achieved even if there is a tolerance that does not permit matching of both connectors through displacement of this housing. Therefore, when two parts, to which both connectors of the electrical connection apparatus according to the embodiment are respectively mounted, are assembled under a mounting tolerance, both connectors can be engaged while absorbing the mounting tolerance. When both connectors of the electric connection apparatus according to the embodiment are applied to the head lamp and the vehicle body of the vehicle, the automatic assembly of the head lamp to the vehicle body by the automatic assembling machine is realized under the mounting tolerance.

Fig. 1 shows an example of a first part and a second part to which an electric connection apparatus according to an embodiment is applied.
Fig. 2 is a perspective view showing an electrical connection apparatus according to an embodiment, which is disposed between the first component and the second component shown in Fig. 1. Fig.
3 is an exploded perspective view of the electrical connection apparatus shown in Fig.
4 is a front view of the first connector shown in Fig.
Fig. 5 is a rear view of the first connector shown in Fig. 3, showing a terminal positioning member pivoting from the first housing; Fig.
Fig. 6 is a rear view of the first connector shown in Fig. 3;
Fig. 7 is an exploded perspective view of the second connector shown in Fig. 3, showing a terminal positioning member pivoting from the second housing; Fig.
Fig. 8 is a rear view of the second connector shown in Fig. 3; Fig.
Fig. 9 is a bottom view of the second connector shown in Fig. 3;
Fig. 10 shows an example in which the first connector and the second connector mate with each other under a mounting tolerance in the Y-axis direction and the Z-axis direction.
Fig. 11 shows that the contact surface of the second connector contacts the guide surface of the first connector under the mounting tolerance in the Z-axis direction shown in Fig.
Fig. 12 shows how the second housing is displaced by absorbing the mounting tolerance in the Z-axis direction under the mounting tolerance shown in Fig.
Fig. 13 shows that the contact surface of the second connector contacts the guide surface of the first connector under the mounting tolerance in the Y-axis direction shown in Fig.
Fig. 14 shows displacement of the second housing by absorbing a mounting tolerance in the Y-axis direction under the mounting tolerance shown in Fig.
Fig. 15 shows an example in which a mounting tolerance is generated in the X-axis direction after the first connector and the second connector mate with each other.
Fig. 16 shows an example in which the mounting tolerance in the X-axis direction shown in Fig. 15 is absorbed.

Embodiments of an electrical connection apparatus and an embodiment of a connector will be described with reference to the accompanying drawings. In the drawings, the same reference numerals designate the same or corresponding elements or parts. In some drawings, the electrical terminals of the connector are omitted.

As used herein, directional directives such as " front ", "before ", etc. refer to a direction in which one connector faces a corresponding connector, and directional directives such as & it means. The connectors shown in the attached drawings may be located differently, in which case the directional directives may be interpreted accordingly.

As used herein, the term " connector alignment direction "refers to an electrical terminal held in a housing of one connector and another electrical terminal held in the housing of another connector and corresponding to the electrical terminal, Lt; RTI ID = 0.0 > 1 < / RTI > The term " connector mating position "as used herein means an electrical terminal held in a housing of one connector and another electrical terminal held in a housing of another connector and corresponding to the electrical terminal, And includes a position occupied by one of the two connectors when one of the two connectors is brought close to the other in a straight line.

An electrical connecting device according to an embodiment includes a first connector disposed between a first part and a second part and detachably coupled to the first part and a second connector detachably coupled to the second part . The electrical connecting apparatus according to the embodiment constitutes a part of the electric wiring system passing through the first part and the second part by matching the first connector and the second connector. In the electrical connection apparatus according to the embodiment, the second connector mates with the first connector at the connector alignment direction and at the connector alignment position. The second connector can be moved to the connector mating position after being positioned in the connector mating direction. Alternatively, the second connector may be located in the connector alignment direction after moving to the connector alignment position. Alternatively, the second connector can move to the connector alignment direction and the connector alignment position at a time.

One of the first part and the second part may be the main part and the other of the first part and the second part may be an accessory belonging to the main part. Alternatively, both the first part and the second part may be accessories belonging to the article. In addition, one of the first part and the second part may be a fixture, and the other of the first part and the second part may be equivalent to the fixture, or movable part as a part belonging to such fixture. In this case, the movable object may be assembled to the fixture manually or by an automatic assembling machine. In one example, one of the first part and the second part may be a body forming a skeleton of the vehicle, and the other of the first part and the second part may be a head lamp lamps, tail lamps, direction indicator lamps, headlamps integrated with turn signals, and headlamps driven by lamps. As another example, the first part and the second part may be a power source and an electric device, an electric device and other electric devices, or other units inside one electric device.

1 and 2, an electrical connection device 10 of an embodiment is disposed between a vehicle body 31, which is an example of the first component, and a head lamp 32, which is an example of the second component. The electrical connection device 10 includes a first connector 100 and a second connector 200 that mates with the first connector 100 in the connector mating position and the connector mating direction. The first connector 100 is detachably coupled to the vehicle body 31 and the second connector 200 is detachably coupled to the head lamp 32. [ The electrical connection apparatus 10 constitutes a part of the electrical wiring system for the head lamp 32 through the electrical connection that the first connector 100 and the second connector 200 are matched with each other. Electric power is supplied from the power source of the vehicle to the head lamp 32 through the electric connection device 10. [ In addition, an electric signal can be transmitted from the control system of the vehicle to the drive device in the headlamp 32 via the electric connection device 10.

The head lamp 32 to which the second connector 200 is attached is mounted to the vehicle body 31 by assembling by an automatic assembling machine. In the assembly line of the vehicle, the automatic assembly machine inserts the head lamp (32) into the head lamp mounting portion provided in the vehicle body (31) in a predetermined headlamp insertion direction, and when the second connector (200) And is mated with the first connector 100 at the connector mating position. The first connector 100 and the second connector 200 can ideally be accurately matched if there is no mounting tolerance between the headlamp insertion direction and the connector alignment direction. However, in the actual assembly environment, the automatic assembly machine can not ideally align the head lamp insertion direction in which the head lamp 32 is inserted into the vehicle body 31, A mounting tolerance is generated in at least one axial direction of the three-dimensional axial direction in which the connector alignment direction is one axial direction when inserting the connector 32. [ One of the connectors of the electrical connection device 10 of one embodiment has a self-aligning structure that allows displacement to the connector mating direction and the connector mating position while absorbing mounting tolerances. Therefore, when the head lamp 32 is inserted into the head lamp mounting portion of the vehicle body 31 under the mounting tolerance, the electrical connecting device 10 of the embodiment interlocks with the force for inserting the head lamp 32 of the automatic assembling machine Thereby achieving highly reliable matching between the first connector 100 and the second connector 200 while absorbing the mounting tolerance.

Referring to Figs. 2 to 6, the first connector 100 of the electrical connection device 10 according to the embodiment will be described. Fig.

The first connector 100 includes a first housing 120 that receives and holds at least one first electrical terminal 110 and a first electrical terminal 110. The first housing 120 is detachably coupled to the vehicle body 31, which is one example of the first component described above. As shown in Fig. 3, in this embodiment, the first electrical terminal 110 is a male terminal. Thus, the first connector 100 with such male terminals can be referred to in the art as "male connector ". The first electrical terminal 110 is connected to the electric wire at the wire binding portion 111 formed at the rear end thereof and is engaged with the corresponding electric terminal at the water contact portion 112 extending from the wire binding portion 111.

The first housing 120 is formed of an electrically insulating material. The first housing 120 is formed to protect the first electrical terminal 110 and to hold the first electrical terminal 110 therein. The first housing 120 has a terminal holding portion 122 for holding the first electrical terminal 110 and the terminal holding portion 122 is provided with six terminal accommodating chambers 123 ). The terminal accommodating chamber 123 extends through the terminal holding portion 122 between the front end surface and the rear end surface of the terminal holding portion 122 and is opened at the rear portion of the terminal holding portion 122. [ The first electrical terminal 110 is inserted into the terminal accommodating chamber 123 from the rear of the terminal accommodating chamber 123 so that the water contact portion 112 of the first electrical terminal 110 contacts the terminal holding portion 122 And protrudes forward from the cross section. The terminal holding portion 122 has a wedge-shaped locking protrusion 124 on each side surface of the rear end. Further, the first housing 120 has a housing matching portion 125 extending forward from the terminal holding portion 122. The housing mating portion 125 receives the front portion of the housing of the corresponding connector (second connector 200 in the embodiment). The housing matching portion 125 is defined by the upper wall 125T, the lower wall 125B, the left wall 125L and the right wall 125R projecting forward from the front surface of the terminal holding portion 122. [ The first housing 120 includes a latch 126 that is resiliently bent on the upper wall 125T and the lower wall 125B of the housing mating portion 125 for locking with the housing of the second connector 200. [ The latch 126 has a wedge-shaped latching protrusion 127 at the rear end thereof and the latching protrusion 127 of the latch 126 engages with a corresponding latching protrusion provided on the housing of the second connector 200.

The first connector 100 has a terminal position assurance (TPA) member 130 for fixing the first electrical terminal 110 received in the terminal accommodating chamber 123 to the terminal holding portion 122 . In this embodiment, the terminal position determining member 130 is positioned adjacent to the rear end of the terminal holding portion 122 and is pivotably coupled to the upper surface and the lower surface of the terminal holding portion 122. [ The terminal position determining member 130 is coupled to the terminal holding portion 122 via the hinge portion 131 provided at the base end thereof and is pivotable toward the rear end of the terminal holding portion 122. [ The terminal position determining member 130 has three ridges 132 on its inner surface and has hooking hooks 133 at each side of the side. When the terminal position determining member 130 pivots toward the rear end of the terminal holding portion 122, the ridge 132 is inserted into the terminal accommodating chamber 123 and the latching hook 133 is engaged with the latching projection 124 to secure the first electrical terminal 110 to the terminal accommodating chamber 123 of the terminal holding portion 122. [

When the first connector 100 and the second connector 200 are matched with each other, one of the housings is connected to the connector alignment direction CMD and the connector alignment position 12 and the position of the housing of the second connector 200 shown in Fig. 14). The guiding means is provided on a part of one of the first connector 100 and the second connector 200, for example, a guide surface provided on the housing and a guide surface provided on the other of the first connector 100 and the second connector 200 And a contact surface provided in the housing and in contact with the guide surface. The guiding surfaces of the guiding means include at least a portion inclined at an obtuse angle with respect to the connector alignment direction (CMD). The contact surface of the guiding means includes at least a portion inclined at an obtuse angle with the connector alignment direction (CMD). The contact surface of the guide means may have a smaller area than the guide surface. In addition, the contact surface of the guide means may be in surface contact or point contact with the guide surface.

In this embodiment, the first housing 120 of the first connector 100 has a guide sleeve 140 which is located on the side of the first housing 120 and which is integrated with the first housing 120. The guide sleeve 140 accommodates therein a part of the second connector 200 (in this embodiment, the insertion pin 227 of the second connector 200). The guide sleeve 140 has a cylindrical portion 141 extending along the connector alignment direction CMD and a skirt portion 142 formed at the front end of the cylindrical portion 141 and enlarged toward the front of the cylindrical portion 141 . The skirt portion 142 is in contact with the left side wall 125L or the right side wall 125R of the housing matching portion 125. The insertion pin 227 of the second connector 200 is fitted or inserted into the bore 143 defined in the cylindrical portion 141.

In this embodiment, as an example of the guide surface of the guide means described above, the first housing 120 of the first connector 100 has a pair of guide surfaces 121. A part of the second connector 200 (the corresponding connector) (more specifically, the contact surface 221 of the second connector 200) is brought into contact with the guide surface 121 and is guided by the guide surface 121 to the second connector 200, Is guided to the connector alignment direction (CMD) and the connector alignment position. The guide surface 121 is defined by the inner surface of the skirt portion 142 of the guide sleeve 140. Therefore, the guide surface 121 is located on the side of the first housing 120. [ At least a part of the guide surface 121 is obliquely inclined with respect to the connector alignment direction CMD. Specifically, the guide surface 121 has an upper slope 121T, a lower slope 121B, a left slope 121L, and a right slope 121R, both inclined at an obtuse angle with respect to the connector alignment direction CMD It is.

In another embodiment, each of the slopes of the guide surface 121 may be separated from each other. In another embodiment, the guide sleeve 140 may not include the skirt portion described above. In this example, the cylindrical portion 141 may have a countersink hole at its front end, and the guide surface of the guide means may be defined as the inner surface of such conical hole. In another embodiment, the guide surface 121 may be formed on the inner surface of the housing matching portion 125. [ In this example, the contact surface of the guide means provided in the second connector 200 may be formed in the front portion of the housing of the second connector 200 inserted into the housing mating portion 125.

In this embodiment, the first connector 100 is provided with a pair of bolting holes 151 for attachment to the vehicle body 31. The bolting hole 151 is located at the rear end of the first housing 120 in the connector alignment direction CMD. The bolt passes through the bolt hole 151 and is fastened to the vehicle body 31 (the first component), whereby the first connector 100 is mounted on the vehicle body 31. [ The bolting hole 151 is defined by the inner surface of the ring portion 152 formed at the rear end of the guide sleeve 140. Since the bolt hole 151 is located at the rear end of the first housing 120, the first connector 100 can be mounted on the first part using a bolt having a short length.

The second connector 200 will be described with reference to Figs. 2, 3 and 7 to 9. Fig.

The second connector 200 is a part that mates with a corresponding connector (in the embodiment, the first connector 100). When the first connector 100 is disposed on the first part, the second connector 200 is disposed on the second part. Conversely, when the first connector 100 is disposed on the second part, the second connector 200 is disposed on the first part. Further, when the first connector 100 is disposed in the main body, the second connector 200 is disposed in the accessory of the main body. In one embodiment, the second connector 100 is detachably coupled to the head lamp 32, which is an example of the vehicle lamp shown in Fig.

The second connector 200 includes a second housing 220 that receives and holds the at least one second electrical terminal 210 and the second electrical terminal 210. The second electrical terminal 210 is formed to be complementary to the first electrical terminal 110 of the corresponding first connector 100. In one embodiment, as shown in Fig. 3, the second electrical terminal 210 is a female terminal. The second connector 200 with such a female terminal can be referred to in the art as a "female connector ". The second electrical terminal 210 is connected to a wire extending from the head lamp 31 at a wire connecting portion 211 formed at the rear end thereof and connected to a female contact portion 212 extending from the wire connecting portion 211, The contact portion 112 of the terminal 110 is fitted or inserted.

The second housing 220 is formed of an electrically insulating material. The second housing 220 is formed to protect the second electrical terminal 210 and to hold the second electrical terminal 210 therein. The second housing 220 has a terminal accommodating chamber 222 in which the second electrical terminal 210 is accommodated. In this embodiment, the second housing 220 has six terminal accommodating chambers 222 which are the same number as the terminal accommodating chambers of the first housing 120 of the first connector 100. The terminal accommodating chamber 222 extends through the second housing 220 between the front end surface and the rear end surface of the second housing 220 and is open at the rear portion. The second electrical terminal 210 is fitted or inserted into the terminal accommodating chamber 222 from the rear at the front and held in the terminal accommodating chamber 222. When the first connector 100 and the second connector 200 are matched, the electrical connection apparatus 10 has six terminal accommodating chambers 123 of the first connector and six terminal accommodating chambers 222 of the second connector The six electrical passages can be used to power, signal, and so on. For example, two of these six electric passages are used for power supply, one of which is used for grounding, and the other is used for signal transmission to the head lamp 32 selectively.

The second housing 220 has a shoulder portion 223 extending in the middle thereof and each portion extending from the shoulder portion 223 to the front end of the second housing 220 is housed in the housing of the corresponding connector Defines an inserting portion 224 to be inserted into the housing matching portion 125 of the first connector 100). The insertion portion 224 includes the front portion of the second housing 220 and the insertion portion 224 is fitted or inserted into the housing fitting portion 125 of the first housing 120 of the first connector 100 . When the insertion portion 224 is inserted into the housing matching portion 125, the left side wall 125L and the right side wall 125R of the housing matching portion 125 come into contact with the shoulder portion 223 at the front side thereof. The second housing 220 has a wedge-shaped locking protrusion 225 at an upper edge and a lower edge of the insertion portion 224. When the insertion portion 224 of the second housing 220 is inserted into the housing mating portion 125 of the first housing 120, the latching protrusion 127 of the latch 126 of the first housing 120 is inserted into the insertion mating portion 125 of the first housing 120, The first housing 120 and the second housing 220 are locked with each other by engaging with a locking projection 225 of the first housing 120 and the second housing 220, respectively.

The second connector 200 has a terminal position assurance (TPA) member 230 for fixing the second electrical terminal 210 received in the terminal accommodating chamber 222 to the second housing 220 . In this embodiment, the terminal position determining member 230 is positioned adjacent to the rear end of the second housing 220 and is pivotally coupled to the upper surface and the lower surface of the second housing 220. The terminal position determining member 230 is coupled to the second housing 220 via the hinge portion 231 provided at the base end thereof and is pivotable toward the rear end of the second housing 220. The terminal position determining member 230 has three ridges 232 on its inner surface and has hooking hooks 233 at each side of the side. When the terminal position determining member 230 pivots toward the rear end of the second housing 220, the ridge 232 is inserted into the terminal accommodating chamber 222 and the engaging hook 233 is inserted into the rear end of the second housing 220 And the second electrical terminal 210 is fixed to the terminal accommodating chamber 222 of the second housing 220 by snap engagement with the engaging protrusion 226 provided on the side surface.

In this embodiment, the second housing 220 has a pair of insertion pins 227 extending forward along the connector alignment direction CMD in the shoulder portion 223. The insertion pin 227 is inserted or fitted into the cylindrical portion 141 of the guide sleeve 140 of the first housing 120 when the first connector 100 and the second connector 200 are mated, The location is set. In the illustrated embodiment, the insertion pin 227 has a cross-shaped cross-sectional shape and has a conical front end.

In this embodiment, as an example of the contact surface of the guiding means, the second housing 220 has a contact surface 221 formed at the front end of the insertion pin 227. The contact surface 221 includes the surface of the conical front end of the insertion pin 227. Thus, the contact surface 221 is located on the side of the second housing 220, at least a portion of which includes a surface inclined at an obtuse angle with the connector alignment direction CMD. When the second connector 200 is matched to the first connector 100, the contact surface 221 is in surface contact or point contact with a part of the guide surface 121 of the first connector 100 at a portion thereof. The contact surface 221 slides along the guide surface 121 under the insertion force applied to the second connector 200 and the center of the insertion pin 227 and the center of the cylindrical portion 141 of the guide sleeve 140 The axes are aligned. Accordingly, in this embodiment, when the second connector 200 moves to the first connector 100, the center shaft of the insertion pin 227 and the guide sleeve (not shown) The position of the second connector 200 in which the center axis of the cylindrical portion 141 of the first connector 140 is aligned becomes the connector mating position (e.g., Figs. 12 and 14). The front end of the insertion pin 227 may have a hemispherical, tapered, or rounded edge with a rounded edge, and the contact surface 221 of the second housing 220 may have such an insert pin 227, As shown in FIG. In another embodiment, when the guide surface of the guide means is formed on the housing mating portion 125 of the first housing 120 of the first connector 100 as described above, the second connector 200 corresponding to the guide surface, May be formed in the insertion portion 224 of the second housing 220. [

When the first connector 100 and the second connector 200 are aligned with each other, the moving direction of the second connector 200 (the automatic assembling machine moves the head lamp 32 The second housing 220 of the second connector 200 is displaced to the connector mating position when there is a mounting tolerance between the connector mating direction CMD and the connector alignment direction CMD. The displacement of the second housing 220 is determined by the contact between the guide surface of the guide means (the guide surface 121 of the first housing 120) and the contact surface (the contact surface 221 of the second housing 220) 2 connector 200 to the first connector 100 is applied to the contact surface. In order to displace the second housing 220 to the connector mating position, the second connector 200 of the electrical connection device 10 according to the embodiment includes a first spring member for elastically supporting the second housing 220 . The first spring member may be elastically deformable or plastically deformable. The first spring member may be directly connected to the first part or the second part and may be coupled with the second housing 220. Alternatively, the first spring member may be coupled to the second housing 220 and a fixing member detachably coupled to the first component or the second component. In this embodiment, the second connector 200 includes a fixing member 260 detachably coupled to the head lamp 32 (an example of the second component), and a fixing member 260 coupled to and fixed to the second housing 220 And a first spring member (240) detachably coupled to the member (260). In the embodiment having the fixing member 260, the fixing member 260 supports the first spring member 240.

The fixing member 260 includes a fixing bracket 261 detachably coupled to the head lamp 32. The fixing bracket 261 has a mounting groove 262 extending on the lower surface thereof along the connector alignment direction CMD, a bridge 263 extending across the mounting groove 262, And a locking latch 264 extending in a direction opposite to the direction CMD. A component provided in the headlamp 32 and configured to complementarily couple the mounting groove 262 and the locking latch 264 is coupled to the mounting groove 262 and the locking latch 264, 200 can be mounted on the head lamp 32. [

The fixing bracket 261 has a wire holder 265 adjacent to the rear end thereof. The electric wire connected to the second electric terminals 210 is held in the wire holder 265. The fixing bracket 261 has a pair of clamper 266 for engagement with the first spring member 240. The clamper 266 is located at the front end of the fixing bracket 261 and has a pair of clamping fingers 267 on which a concave curved surface 268 is formed. A part of the first spring member 240 is snapped between the concave curved surfaces 268 of the clamping fingers 267 so that the second housing 220 and the first spring member 240 supporting the second housing 220 are fixed to the fixing member 260 ). ≪ / RTI >

In this embodiment, the first spring member 240 includes a pair of first strip springs 241. The first strip spring 241 is bent in a substantially C-shape when viewed from above the second connector 200. As another example, the strip spring forming the first spring member 240 may have an L shape, an M shape, a U shape, a V shape, or a combination thereof. The strip spring bent in the above-mentioned shape includes an elastic deformation portion which is partly curved in the longitudinal direction of the strip spring or is bent at a predetermined curvature to elastically deform three-dimensionally. In addition, the portion of the strip spring except for the elastically deformable portion may have a straight shape. In an alternative embodiment, the first spring member 240 may include a coil spring extending in the connector alignment direction CMD.

The first strip spring 241 extends from the side surface of the second housing 220. In this embodiment, the first strip spring 241 is integrally coupled to the shoulder portion 223 of the second housing 220 at the front end thereof, and is detachably coupled to the fixing bracket 261 at the rear end thereof . The first strip spring 241 is provided at its rear end with a connecting shaft 242 extending in the connector alignment direction CMD. The connecting shaft 242 snaps into the concave curved surface 268 of the clamping finger 267 provided at the front end of the fixing bracket 261 to detachably engage the first strip spring 241 with the fixing bracket 261 .

The first strip spring 241 elastically deforms in at least one axial direction of the three-dimensional axial direction having the connector alignment direction CMD in one axial direction to displace the second housing 220 to the connector mating position . Referring to the coordinate axes shown in Fig. 3, in this embodiment, the first strip spring 241 has the second housing 220 in the three-dimensional axial direction with the connector alignment direction CMD in the X- And can be three-dimensionally deformed to be displaced to the matching position. In one embodiment, the first strip spring 241 is deformable such that the front end and the rear end thereof in the X-axis direction are close to each other or return to the original state. As an example, the amount of displacement of the second housing 220 in the X-axis direction allowed by the first strip spring 241 is -3 mm. In the displacement amount in the X-axis direction, the minus value means that the negative value is displaced in the negative X-axis direction of the second housing 220. In addition, the first strip spring 241 is deformable such that either the front end or the rear end thereof in the Y-axis direction is distant from or close to the connector alignment direction CMD with respect to the other. As an example, the amount of displacement of the second housing 220 in the Y-axis direction allowed by the first strip spring 241 is ± 2 mm. In the displacement amount in the Y-axis direction, a positive value means that the second housing 220 is displaced in the positive Y-axis direction, and a negative value means that the second housing 220 is displaced in the negative Y-axis direction . Further, the first strip spring 241 is deformable such that either the front end or the rear end in the Z-axis direction is higher or lower with respect to the connector alignment direction CMD than the other. As an example, the amount of displacement of the second housing 220 in the Z-axis direction allowed by the first strip spring 241 is +/- 2 mm. In this displacement amount in the Z axis direction, a positive value means that the second housing 220 is displaced in the positive Z axis direction, and a negative value means that the second housing 220 is displaced in the negative Z axis direction . Since the first strip spring 241 can be deformed in three dimensions, the second housing 220 can be deformed by the reaction force applied to the contact surface 221 in response to the contact between the guide surface 121 and the contact surface 221 And is guided to the connector mating position together with the deformation of the one strip spring 241. Thus, the deformation of the first strip spring 241 absorbs the mounting tolerance and displaces the second housing 220 to the connector alignment direction CMD and the connector alignment position.

The electrical connection apparatus according to the embodiment is configured such that the housing of the second connector 200 is connected to the housing of the first connector 100 in the connector alignment direction 0.0 > (CMD). ≪ / RTI > The second connector 200 may be configured to apply an elastic restoring force to the second housing 220 toward the first housing 120 in the connector alignment direction CMD or to apply a resilient restoring force to the second housing 220 in the connector alignment direction CMD, And a second spring member 250 biased in the connector alignment direction CMD toward the second connector 120. In one embodiment, the second spring member 250 is spaced from the first spring member 240 at one end thereof and is coupled to the first spring member 240 at the other end thereof. That is, the second spring member 250 has one end formed as a free end spaced from the first spring member 240. In this embodiment, as an example of the second spring member 250, the second connector 200 is connected to the first strip spring 241 and has a rigidity larger than that of the first strip spring 241 A pair of second strip springs 251 are provided.

The second strip spring 251 is bent in a substantially V-shape when viewed from above the second connector 200. As another example, the strip spring forming the second spring member 250 may have a C-shaped, L-shaped, U-shaped or a combination thereof. The second strip spring 251 bent in the above-described shape includes an elastic deformation portion that is partially curved in its longitudinal direction or bent at a predetermined curvature to be elastically deformable. In addition, the portion of the second strip spring 251 other than the elastically deformable portion may have a straight shape. The second strip spring 251 extends from the first strip spring 241. The second strip spring 251 is coupled to the connecting shaft 242 of the first strip spring 241 at the rear end thereof, and the front end of the second strip spring 251 is free. The second strip spring 251 has a stopper 252 projecting at the rear end thereof in the connector alignment direction CMD. The second strip spring 251 can be deformed until the inner surface of the front end thereof comes into contact with the stopper 252. [ In the free state of the second strip spring 251, the second strip spring 251 is separated from the first strip spring 241. In one embodiment, the distance between the inner surface of the first strip spring 241 and the front end of the second strip spring 251 in the free state of the second strip spring 251 is about 0.5 mm.

The second connector 200 is moved in the connector alignment direction CMD after the second housing 220 of the second connector 200 is displaced to the connector mating position, (110) of the second connector (200) and the second electrical terminal (210) of the second connector (200). The first electrical terminal 110 and the second electrical terminal 210 are coupled to each other by the front surface of the terminal holding portion 122 of the first housing 120 and the front surface of the insertion portion 224 of the second housing 220 Completes when contacted. The first spring member 240 (the first strip spring 241) is deformed such that its both ends are brought close to each other in the X-axis direction, while the first electrical terminal 110 and the second electrical terminal 210 are engaged. Then, the elastic restoring force of the first spring member 240 can act to separate the first housing 120 and the second housing 220 in the negative X-axis direction. However, when the first strip spring 241 is deformed in the X-axis direction, the second strip spring 251 comes into contact with the rear surface (the rear surface of the shoulder portion 223) of the second housing 220 at the front end thereof, So that its front end and its rear end are close to each other in the axial direction. The second strip spring 251 thus deformed contacts the second housing 220 in the positive X-axis direction (connector alignment direction CMD) while contacting the rear surface of the shoulder portion 223 of the second housing 220, To the first housing 120 side. Since the rigidity of the second strip spring 251 is greater than the rigidity of the first strip spring 241, the biasing force applied by the second strip spring 251 is less elastic than the biasing force of the first strip spring 241 in the X- It is bigger than resilience. The first electrical terminal 110 and the second electrical terminal 210 or the first connector 100 and the second connector 200 are not separated by the resilient restoring force of the first strip spring 241. [

In another embodiment, the second strip spring 251 may be disposed on the securing member 260. In yet another embodiment, the second spring member 250 may include a coil spring that compresses in the negative X-axis direction and restores in the positive X-axis direction.

As described above, the electrical connection device 10 of the embodiment absorbs the mounting tolerance between the connector moving direction and the connector aligning direction by displacing one of the housings of the connector to the connector aligning position, thereby achieving the matching between the connectors. 10 to 16, an example in which the electrical connection device 10 of the embodiment absorbs the mounting tolerance at the time of matching between the connectors will be described.

10 shows a state in which the second connector 200 is connected to the first connector 100 (100) under a mounting tolerance (YMT) of -2 mm in the Y-axis direction with respect to the connector alignment direction (CMD) ). ≪ / RTI > Fig. 11 shows only the mounting tolerance ZMT in the Z-axis direction among the mounting tolerances shown in Fig. 10, and Fig. 12 shows that the mounting tolerance ZMT in the Z-axis direction is absorbed. Fig. 13 shows only the mounting tolerance YMT in the Y-axis direction among the mounting tolerances shown in Fig. 10, and Fig. 14 shows that the mounting tolerance YMT in the Y-axis direction is absorbed.

10 to 14, as the second connector 200 approaches the first connector 100, the contact surface 221 of the second connector 200 contacts the guide surface 121 of the first connector 100, / RTI > The second connector 200 approaches the first connector 100 in the connector insertion direction CID as the head lamp 32 moved by the automatic assembling machine moves. In this case, the insertion pin 227 and the second housing 220 can be displaced in the positive Y-axis direction and the negative Z-axis direction in accordance with the contact between the contact surface 221 and the guide surface 121, 240 (the first strip spring 241) can be deformed in the Y-axis direction and the Z-axis direction as shown in Figs. 12 and 14. Thereafter, when the second housing 220 is displaced to such an extent that the insertion pin 227 can be inserted into the guide sleeve 140, the deformation of the first spring member 240 is stopped, The second housing 220 of the second connector 200 is inserted by the force toward the first housing 120 of the first connector 100 in the connector alignment direction CMD. Then, the first electrical terminal 110 of the first connector 100 is inserted into the second electrical terminal 210 of the second housing 220, and the electrical terminals are coupled.

The first electrical terminal 110 and the second electrical terminal 210 are coupled or the front surface of the insertion portion 224 of the second housing 220 contacts the front surface of the terminal holding portion 122 of the first housing 120 The matching between the first connector 100 and the second connector 200 is achieved, as shown in Fig. The first spring member 240 (the first strip spring 241) is deformed such that its both ends are brought close to each other in the X-axis direction in a state where the first connector 100 and the second connector 200 are matched with each other, The second spring member 250 (the second strip spring 251) is brought into contact with the rear surface of the shoulder portion 223 of the second housing 220 and deformed so that both ends thereof approach each other in the X-axis direction. In one embodiment, when the first connector 100 and the second connector 200 are matched, the amount of deformation of the first spring member 240 in the X-axis direction is about -1.5 mm, The amount of deformation of the member 250 in the X-axis direction becomes about -1.0 mm. The first connector 100 and the second connector 200 are matched with the first spring member 240 and the second spring member 250 deformed in the X axis direction in the electrical connection apparatus 100 of the embodiment Absorbs the mounting tolerance (XMT) in the X-axis direction. 16 shows an example in which a mounting tolerance in the X-axis direction is absorbed when the first connector 100 and the second connector 200 are matched.

15 and 16, the automatic assembling machine does not stop at the position where the first connector 100 and the second connector 200 have matched, and the second connector 200 is moved in the X- The mounting tolerance (XMT) of about -1.5 mm in the X-axis direction may occur. The first spring member 240 and the second spring member 250 are further deformed in the negative X-axis direction, so that the mounting tolerance XMT in the X-axis direction can be made smaller than the mounting tolerance XMT in the X- Absorbed. The second strip spring 251 comes into contact with the stopper 252 on the inner surface of the second strip spring 251 so that the first strip spring 241 and the second strip spring 251 251 to a load greater than the yield strength. Therefore, the projecting length of the stopper 252 is determined so that the second strip spring 251 is not plastically deformed.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings. It will be apparent to those skilled in the art that various substitutions, alterations, and changes may be made without departing from the scope of the present invention.

10: Electrical connection device
31:
32: head lamp
100: first connector
110: first electric terminal
120: first housing
121: Guide surface
122: Terminal holding portion
123: Terminal accommodating chamber
125: housing matching portion
130: terminal position determination member
140: guide sleeve
141:
142: Skirt portion
151: Bolting hole
200: second connector
210: second electric terminal
220: second housing
221: contact surface
222: terminal accommodating chamber
223: shoulder part
224:
227: Insertion pin
230: Terminal position determination member
240: first spring member
241: first strip spring
242: connection axis
250: second spring member
251: second strip spring
252: Stopper
260: Fixing member
261: Fixed bracket
266: Clamper
CMD: Connector alignment direction
CID: Connector insertion direction
XMT: Mounting tolerance in the X-axis direction
YMT: Mounting tolerance in Y direction
ZMT: Mounting tolerance in the Z-axis direction

Claims (17)

A first connector and a second connector mating with the first connector at a connector mating direction and at a connector mating position,
The first connector includes:
At least one first electrical terminal,
And a first housing coupled to the first component and having a guide surface inclined relative to the connector alignment direction and configured to retain the first electrical terminal,
The second connector includes:
A second electrical terminal that is complementarily coupled to the first electrical terminal,
A second housing formed to hold the second electrical terminal and having a contact surface contacting the guide surface,
And a first spring member coupled to the second housing and coupled to the second component and supporting the second housing such that the second housing is displaced to the connector mating position in response to the contact between the guide surface and the contact surface,
Electrical connection device. The method according to claim 1,
The first spring member is deformed such that the second housing is displaced in at least one axial direction of the three-dimensional axial direction having the connector alignment direction as one axial direction
Electrical connection device. 3. The method of claim 2,
Wherein the first spring member comprises a strip spring at least partially curved
Electrical connection device. The method according to claim 1,
The second connector further comprises a second spring member having a stiffness greater than the stiffness of the first spring member,
And the second spring member biases the second housing in the connector alignment direction with the first housing
Electrical connection device. 5. The method of claim 4,
The second spring member includes a strip spring extending from the first spring member and at least partially curved
Electrical connection device. 5. The method of claim 4,
And one end of the second spring member is formed as a free end spaced apart from the first spring member
Electrical connection device. The method according to claim 1,
The second connector further comprises a fixing member coupled to the second component and supporting the first spring member,
The first spring member is detachably coupled to the fixing member
Electrical connection device. The method according to claim 1,
Wherein the first housing includes at least one guide sleeve extending along the connector alignment direction and the second housing includes an insertion pin extending along the connector alignment direction and inserted into the guide sleeve,
The guide surface is formed at the front end of the guide sleeve and the contact surface is formed at the front end of the insertion pin
Electrical connection device. The method according to claim 1,
The first connector further includes at least one bolting hole through which a bolt for mounting to the first component passes, at a rear end of the first housing in the connector aligning direction
Electrical connection device. The method according to claim 1,
Wherein one of the first component and the second component is mounted on at least one of the first component and the second component in at least one axial direction of the three-dimensional axial direction having the connector alignment direction in one axial direction, Assembled under
Electrical connection device. The method according to claim 1,
Wherein one of the first part and the second part is a vehicle body and the other of the first part and the second part is a vehicle lamp
Electrical connection device. A connector disposed on either the first component or the second component and mating with a corresponding connector disposed on the other of the first component and the second component at a connector mating direction and a connector mating position,
A fixing member coupled to any one of the first component and the second component;
At least one electrical terminal,
A housing formed to hold the electrical terminal and having a contact surface that is tilted with respect to the connector alignment direction and contacts a portion of the corresponding connector;
A first spring member extending from the housing and releasably coupled to the securing member and supporting the housing to displace the housing into the connector mating position in response to contact between a portion of the corresponding connector and the contact surface,
And a second spring member disposed on the first spring member and having a stiffness greater than the rigidity of the first spring member and biasing the housing in the connector alignment direction
connector. 13. The method of claim 12,
Wherein the first spring member is deformed such that the housing is displaced in at least one axial direction of the three-dimensional axial direction having the connector alignment direction in one axial direction
connector. 14. The method of claim 13,
The first spring member includes a strip spring extending from the housing and at least partially curved
connector. 13. The method of claim 12,
And one end of the second spring member is formed as a free end spaced apart from the first spring member
connector. 13. The method of claim 12,
Wherein the housing has an insertion pin extending along the connector alignment direction and having the contact surface formed at a front end thereof
connector. 13. The method of claim 12,
And a terminal position fixing member pivotally coupled to the housing at a rear end side of the housing and fixing the electrical terminal to the housing
connector.
KR1020140148276A 2014-10-29 2014-10-29 Self-alignable electric connection device and connector KR101595188B1 (en)

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KR101806185B1 (en) * 2016-07-27 2017-12-07 케이유엠 유한회사 Self alignment connector
KR20180123993A (en) * 2017-05-10 2018-11-20 타이코에이엠피 주식회사 Connector assembly
KR20190071409A (en) * 2017-12-14 2019-06-24 현대모비스 주식회사 Quickdraw connector structure of automotive battery system
KR20200043267A (en) * 2018-10-16 2020-04-27 오두 게엠베하 운트 코. 카게 Floating connector
KR20220092117A (en) 2020-12-24 2022-07-01 한국단자공업 주식회사 Connector
KR20230048816A (en) 2021-10-05 2023-04-12 (주)우주일렉트로닉스 Connector System with Position Correcting Function
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KR101806185B1 (en) * 2016-07-27 2017-12-07 케이유엠 유한회사 Self alignment connector
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KR20200043267A (en) * 2018-10-16 2020-04-27 오두 게엠베하 운트 코. 카게 Floating connector
KR20220092117A (en) 2020-12-24 2022-07-01 한국단자공업 주식회사 Connector
KR20230048816A (en) 2021-10-05 2023-04-12 (주)우주일렉트로닉스 Connector System with Position Correcting Function
KR102603402B1 (en) 2021-10-05 2023-11-17 (주)우주일렉트로닉스 Connector System with Position Correcting Function
KR20230169792A (en) 2022-06-09 2023-12-18 한국단자공업 주식회사 Connector

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