WO2014049983A1 - 電気コネクタ - Google Patents
電気コネクタ Download PDFInfo
- Publication number
- WO2014049983A1 WO2014049983A1 PCT/JP2013/005286 JP2013005286W WO2014049983A1 WO 2014049983 A1 WO2014049983 A1 WO 2014049983A1 JP 2013005286 W JP2013005286 W JP 2013005286W WO 2014049983 A1 WO2014049983 A1 WO 2014049983A1
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- WIPO (PCT)
- Prior art keywords
- contact
- connector
- plug
- receptacle
- detection
- Prior art date
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Classifications
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/6335—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only comprising a handle
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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
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/68—Structural association with built-in electrical component with built-in fuse
- H01R13/684—Structural association with built-in electrical component with built-in fuse the fuse being removable
Definitions
- the present invention relates to an electrical connector used for an electric device, an electronic device, an in-vehicle device, and the like, and more particularly, to an electric connector structure used for a product or the like provided with a power storage device.
- a power circuit breaker will be described as an example of a device using an electrical connector.
- the power circuit breaker is used, for example, in an electric vehicle to maintain work safety by opening a circuit of a power source as a battery when maintaining an electric system or the like. Further, they are often provided with a detection circuit for detecting the fitting state of the electrical connector as a safety device.
- Conventionally used power circuit breaker devices are disclosed in Patent Document 2, for example, as disclosed in Patent Document 1, or a device that uses a lever to fit and remove an electrical connector. As described above, there is an apparatus that performs extraction while gripping the vicinity of both ends.
- JP 2012-049092 A Japanese Patent Application No. 2011-128832 Specification
- the present invention has been made in view of such a conventional problem, and can reduce the size of a connector without using a complicated structure, and can perform fitting and removal work including a safety device by a series of operations. It is an object to provide an electrical connector that can be performed.
- An object of the present invention described above is to provide a plurality of plug contacts, a conductive member connected to the plug contacts, a plug housing in which the plug contacts are fixedly held, and a receptacle connector.
- a plug connector having a first detection contact for detecting engagement with the connector, a plurality of receptacle contacts that are connected to an object to be connected and are in contact with the plug contact, and a receptacle in which the receptacle contact is fixedly held
- a receptacle connector having a housing and a second detection contact for contacting the first detection contact and detecting the fitting with the plug connector, the plug connector and the receptacle connector comprising:
- the plug The connector further includes an operation lever provided with a gripping part for gripping when the connector is fitted or when the connector is pulled out, and an attachment part for pivotally and / or slidably attaching to the plug housing.
- the first detection contact and the second detection contact are fitted to the first detection contact when the operation lever is rotated and / or slid after the plug connector and the receptacle connector are fitted.
- This can be achieved by an electrical connector characterized in that the contact circuit comes into contact, the detection circuit is conducted, and the safety device operates.
- the operating lever is provided with a first protrusion
- the receptacle connector is provided with a second protrusion that acts on the first protrusion
- the first protrusion And the second protrusion acts as a safety means that allows the first detection contact and the second detection contact to be contacted for the first time after the plug connector and the receptacle connector are fitted together. It is characterized by this.
- the plug housing includes at least a first plug housing to which the operation lever is attached, and the plug contact is fixed and held. It is comprised from the 2nd plug housing fixed to internal space.
- the conductive member is a fuse, and the plurality of plug contacts are connected to each other by the fuse.
- an electrical connector with a simple structure, which can reduce the size of the connector, and can perform fitting and removal operations including a safety device by a series of operations.
- FIG. 1 is a perspective view of a plug connector and a receptacle connector of an electrical connector (embodiment) according to the present invention in an unfitted state. It is a perspective view of the fitting state of the plug connector and receptacle connector of this embodiment. It is sectional drawing of the connector longitudinal direction in the fitting state of the plug connector and receptacle connector of this embodiment.
- A It is the perspective view of the plug connector seen from the opposite side of the fitting surface in the state which stood the operation lever of the plug connector of this embodiment in the fitting direction of the connector.
- (B) It is the perspective view of the plug connector seen from the opposite side of the fitting surface in the state which laid the operation lever of the plug connector of this embodiment in the perpendicular direction of the fitting direction of the connector.
- (A) It is the perspective view seen from the opposite side of the fitting surface of the 2nd plug housing (attachment of a contact etc.) of this embodiment.
- (B) It is the perspective view seen from the fitting surface side of the 2nd plug housing (attachment of a contact etc.) of this embodiment.
- (A) It is the perspective view seen from the opposite side of the fitting surface of the 2nd plug housing (only housing) of this embodiment.
- (B) It is the perspective view seen from the fitting surface side of the 2nd plug housing (only housing) of this embodiment. It is a perspective view of the state where the fuse was fixed between two plug contacts of this embodiment. It is a perspective view of the contact for 1st detection of this embodiment.
- (A) It is the perspective view seen from the fitting surface side of the receptacle connector (attachment of a contact etc.) of this embodiment.
- (B) It is the perspective view seen from the opposite side of the fitting surface of the receptacle connector (contact etc. mounting
- (A) It is the perspective view seen from the fitting surface side of the receptacle connector (only housing) of this embodiment.
- (B) It is the perspective view seen from the opposite side of the fitting surface of the receptacle connector (housing only) of this embodiment.
- (A) It is a perspective view of the cover of this embodiment.
- (B) It is the perspective view seen from the direction different from (a) of the cover of this embodiment.
- the electrical connector 10 includes a plug connector 20 and a receptacle connector 30. Each will be described below.
- the plug connector 20 mainly includes two plug contacts 241, a second plug housing 23 to which the plug contacts 241 are fixed, a first detection contact 261, and the first detection contact 261.
- the conductive member connected to the plug contact 241 will be described.
- the conductive member is for protecting the circuit against overcurrent or connecting to the outside, and can include a fuse, a circuit breaker, a cable, a printed board, and the like.
- a fuse 244 is used as the conductive member.
- the detection circuit will be described.
- the detection circuit is an electric circuit that detects the fitting between connectors provided separately from the main electric circuit, plays a role as a safety device, and the connectors are completely fitted (the main electric circuit If it is not connected, the safety device cannot be operated (the detection circuit is turned on). In this embodiment, when the first detection contact 261 of the plug connector 20 and the second detection contact 322 of the receptacle connector 30 are brought into contact with each other, the detection circuit becomes conductive and the safety device operates.
- the plug contact 241 is made of metal and is manufactured by a known press working.
- the plug contact 241 is a substantially L-shaped flat plate, and has a contact portion 246 that contacts the receptacle contact 331 of the receptacle connector 30 on one side, and a fuse 244 on the opposite side of the contact portion 246. Holes for inserting bolts 242 for connection / fixation to 241 are provided, and are connected / fixed by tightening the bolts 242 and nuts 243.
- the connecting / fixing means as described above is used.
- any connecting / fixing means may be used as long as it can play a role, and it is appropriately designed in consideration of strength, holding force, workability, and the like. To do.
- the plug contact 241 is provided with a positioning recess 245 as positioning means when being fixed to the second plug housing 23.
- the positioning concave portion 245 is engaged with a positioning convex portion 235 provided on the second plug housing 23 so that the plug contact 241 is positioned at an appropriate position with respect to the second plug housing 23.
- the positioning means as described above is used. However, any positioning means may be used as long as it can play a role, and it is appropriately designed in consideration of strength, holding force, workability, and the like.
- the second plug housing 23 is an electrically insulating plastic and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof.
- PBT polybutylene terephthalate
- 66PA, 46PA polyamide
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the second plug housing 23 is provided with an internal space 231 that opens to the opposite side of the fitting side and mainly stores the fuse 244.
- a nut holding part 234 for holding and fixing the nut 243 is provided near both ends in the longitudinal direction of the place where the fuse 244 is accommodated, and the nut 243 and the bolt 242 held by the nut holding part 234
- the plug contact 241 and the fuse 244 are fixed to the second plug housing 23.
- a positioning convex portion 235 is provided in the vicinity of the nut holding portion 234 as positioning means for fixing. By engaging the positioning convex portion 235 of the second plug housing 23 with the positioning concave portion 245 of the plug contact 241, the plug contact 241 is positioned at an appropriate position with respect to the second plug housing 23.
- the holding / fixing means and the positioning means as described above are used.
- any holding / fixing means and positioning means may be used as long as they can play a role, such as strength, holding force, workability, etc. To design appropriately.
- a contact hole 233 through which the plug contact 241 fixed to the second plug housing 23 passes is provided on the fitting side surface of the second plug housing 23.
- plug housing projections 232 for fixing the second plug housing 23 to the internal space 211 of the first plug housing 21 are provided on both longitudinal end surfaces of the second plug housing 23.
- the second plug housing 23 is inserted into the internal space 211 of the first plug housing 21, and the inter-plug housing locking projections 232 of the second plug housing 23 are provided at both longitudinal end faces of the first plug housing 21.
- the second plug housing 23 is fixed to the internal space 211 of the first plug housing 21 by engaging with the provided plug housing locking hole 215.
- the engaging / fixing means as described above is used.
- any engaging / fixing means may be used as long as it can play a role, considering strength, holding force, workability, and the like. Design appropriately.
- the first plug housing 21 is an electrically insulating plastic and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof.
- PBT polybutylene terephthalate
- 66PA, 46PA polyamide
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the first plug housing 21 is provided with an internal space 211 that opens to the mating side for accommodating the second plug housing 23 and for accommodating a part of the receptacle connector 30 when the connector is mated. Further, on both end surfaces of the first plug housing 21 in the longitudinal direction, locking projections 232 between plug housings of the second plug housing 23 are engaged as means for fixing the second plug housing 23 to the internal space 211. A plug housing locking hole 215 is provided.
- the engaging / fixing means as described above is used. However, any engaging / fixing means may be used as long as it can play a role, considering strength, holding force, workability, and the like. Design appropriately.
- the receptacle connector 30 when the plug connector 20 and the receptacle connector 30 are completely fitted closer to the fitting surface than the plug housing locking holes 215 on both longitudinal end faces of the first plug housing 21, the receptacle is connected.
- An engagement protrusion 214 that engages with the locking hole 314 of the connector 30 is provided.
- the engaging means as described above is used.
- any engaging means may be used as long as it can play a role, and it is appropriately designed in consideration of strength, holding force, workability, and the like.
- a pressure contact protrusion 217 is provided to reduce the possibility of damage.
- a plurality of press contact protrusions 217 that are elongated in the insertion / removal direction are provided on the upper, lower, left, and right four surfaces that contact when the second plug housing 23 is inserted / extracted. -It may be a position.
- an operation lever mounting portion 216 for mounting the operation lever 25 so as to be rotatable and / or slidable is provided.
- the shape of the operation lever attachment portion 216 is appropriately formed so as to match the shape of the attachment portion 252 of the operation lever 25 formed to be rotatable and slidable.
- a convex portion 212 in which a part of a detection circuit-related part such as the second detection contact 322 of the receptacle connector 30 is accommodated on one end face in the short direction of the first plug housing 21 when the connector is fitted. Is provided. Further, one end surface in the short direction of the first plug housing 21 is connected to the convex portion 212, and the first detection contact 261 of the plug connector 20 and the second of the receptacle connector 30 when the detection circuit is activated. A detection hole 213 is provided so as to be in contact with the detection contact 322.
- the first detection contact 261 is made of metal and is manufactured by a known press working.
- the first detection contact 261 is a substantially U-shaped flat plate, and has a contact portion 262 that protrudes from both sides of the U-shape and contacts the second detection contact 322 of the receptacle connector 30.
- the first detection contact 261 is press-fitted and fixed in a first detection contact receiving hole 253 provided near the center of the grip 251 of the operation lever 25 of the plug connector 20.
- the operation lever 25 is an electrically insulating plastic and is manufactured by injection molding according to a known technique. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene is used. Examples thereof include terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof.
- PBT terephthalate
- 66PA, 46PA polyamide
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the operating lever 25 has a substantially U-shape having an intermediate gripping portion 251 and a mounting portion 252 extending at right angles from the vicinity of both ends thereof.
- the grip portion 251 is a portion to be gripped when the connector is inserted and removed, and a first detection contact receiving hole 253 for press-fitting and fixing the first detection contact 261 is provided near the center thereof.
- the attachment portion 252 has a shape that can be attached to the operation lever attachment portion 216 of the first plug housing 21 so as to be rotatable and / or rideable, and is preferably attached to be rotatable and slidable. Specifically, as shown in FIGS. 4A to 4C, the operation lever 25 is moved from the raised state (FIG.
- first protrusions 254 are provided on both outer sides of the grip portion 251.
- the first protrusion 254 acts mainly on the safety device by acting with the second protrusion 343 of the receptacle connector 30. Details of these roles and actions will be described later.
- the receptacle connector 30 (Receptacle connector)
- the receptacle connector 30 mainly includes two receptacle contacts 331, two second detection contacts 322, a second detection contact holding member 321 in which the second detection contacts 322 are accommodated, and the receptacle contacts 331.
- a receptacle housing 31 to which the is fixed and a cover 35 are provided. Hereinafter, each part will be described.
- the receptacle contact 331 is made of metal and is manufactured by a known press working.
- the receptacle contact 331 has a fitting-side portion for contacting the plug contact 241 of the plug connector 20 and a portion on the opposite side of the fitting side on the side connected to the connection object.
- a plate spring-like contact portion 337 that contacts the plug contact 241 when the connector is fitted, and a fixing protrusion 342 of the receptacle housing 31 when the receptacle housing 31 is fixed are engaged with the fitting side portion.
- a fixing hole 334 is provided.
- a bolt hole 335 into which a bolt 332 to be connected to the connection object is inserted is provided at a portion opposite to the fitting side.
- the bolt 332 is fixed to the receptacle contact 331 by a nut 333 together with a metal fitting 336.
- the shape and size of each of the above-described locations are appropriately designed according to the counterpart or the like.
- the receptacle housing 31 is an electrically insulating plastic, and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene is used. Examples thereof include terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof.
- PBT terephthalate
- 66PA, 46PA polyamide
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the receptacle housing 31 is provided with a first internal space 311 that opens to the fitting side and a second internal space 312 that opens to the opposite side of the fitting side. Further, a flange portion 313 is provided on the outer periphery of the receptacle housing 31, and a hole 338 for fixing to a device or the like is provided in the flange portion 313 near both ends in the longitudinal direction of the receptacle housing 31.
- the first internal space 311 of the receptacle housing 31 is a space into which the plug connector 20 is inserted when the connector is fitted, and is provided with two fitting projections 316 and a detection fitting projection 318.
- a receptacle contact accommodating space 317 into which the receptacle contact 331 is inserted and fixed is provided inside the fitting convex portion 316 of the receptacle housing 31.
- the receptacle contact receiving space 317 is provided with a fixing protrusion 342 for fixing the receptacle contact 331 to the receptacle housing 31 by engaging with the fixing hole 334 of the receptacle contact 331.
- the fitting protrusion 316 is provided with a fitting hole 339 into which the plug contact 241 of the plug connector 20 is inserted when the connector is fitted, and the plug contact 241 and the receptacle contact 331 come into contact with each other. It becomes a conductive state.
- the shape and size of each of the above-described locations are appropriately designed according to the counterpart or the like.
- the second detection contact holding member 321 for holding the second detection contact 322 is inserted and fixed inside the detection fitting convex portion 318 of the receptacle housing 31 in the fitting direction.
- a penetrating holding member accommodation space 319 is provided.
- the holding member housing space 319 is engaged with a detection engagement protrusion 325 of the second detection contact holding member 321 so that the second detection contact holding member 321 is fixed to the receptacle housing 31.
- a locking hole 341 is provided.
- the receptacle housing 31 is provided with locking holes 314 that are engaged with the engagement protrusions 214 of the plug connector 20 when the plug connector 20 and the receptacle 30 are completely fitted. It has been.
- the engaging means as described above is used. However, any engaging means may be used as long as it can play a role, and it is appropriately designed in consideration of strength, holding force, workability, and the like.
- a pressure contact projection 320 is provided to reduce the property.
- a plurality of press contact protrusions 217 that are elongated in the insertion / removal direction are provided on the four surfaces on the top, bottom, left, and right that come into contact with when the plug connector 20 is inserted and removed. It may be.
- second protrusions 343 are provided in the vicinity of two corners of the fitting surface of the receptacle housing 31.
- the second protrusion 343 acts mainly on the safety device by acting with the first protrusion 254 of the plug connector 20, and details of the role and action will be described later.
- the second detection contact 322 is made of metal and is manufactured by a known press working.
- the second detection contact holding member 321 is an electrically insulating plastic, and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Specifically, polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof can be used.
- PBT polybutylene terephthalate
- 66PA, 46PA polyamide
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the second detection contact holding member 321 is connected to the second detection contact receiving space 324 for holding and fixing the second detection contact 322, and is connected to the second detection contact receiving space 324.
- a slit 326 through which the first detection contact 261 of the plug connector 20 322 contacts, and a detection engagement that engages with the detection locking hole 341 of the receptacle housing 31 when fixed to the receptacle housing 31.
- a protrusion 325 is provided. The shape and size of each of the above-described locations are appropriately designed according to the counterpart or the like.
- the cover 35 is an electrically insulating plastic and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene terephthalate is used. (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), and synthetic materials thereof.
- PBT polybutylene terephthalate
- LCP liquid crystal polymer
- PC polycarbonate
- PPS polyphenylene sulfide
- the cover 35 is a member for preventing an electric shock due to contact with the current-carrying portion, and is inserted and fixed in the second internal space 312 on the side opposite to the fitting side of the receptacle housing 31.
- the cover 35 is provided with four engagement protrusions 351 that engage with the cover locking holes 315 of the receptacle housing 31 as means for fixing to the receptacle housing 31.
- the engaging means as described above is used.
- any engaging means may be used as long as it can play a role, and it is appropriately designed in consideration of strength, holding force, workability, and the like.
- the operation lever 25 is rotated by about 90 degrees and brought into a tilted state, and then the operation lever 25 is shown in FIGS. 4 (b) to 4 (c).
- Slide 25 When the first detection contact 261 and the second detection contact 322 are brought into contact with each other, the detection circuit becomes conductive, the safety device is activated, and the fitting operation is completed.
- the plug connector 20 and the receptacle connector 30 in the fitted state are as shown in FIG.
- the state of the operation lever 25 is not limited to the state shown in FIG. A state or a state between FIGS. 4A and 4B, that is, a state where the operation lever 25 is standing obliquely may be used.
- first protrusion 254 of the plug connector 20 and the second protrusion 343 of the receptacle connector 30 interact with each other, so that the safety device operates (first detection is performed) when the plug connector 20 and the receptacle connector 30 are not completely fitted.
- the contact 261 and the second detection contact 322 are brought into contact with each other so that the detection circuit is not conducted).
- the electrical connector 10 of the present invention can surely perform the confirmation of the fitting / removal by the safety device.
- the first protrusion 254 and the second protrusion 343 interact with each other to operate the safety device (the first detection contact 261 and the second detection contact 322 are brought into contact with each other to make the detection circuit conductive). In this state, the plug connector 20 and the receptacle connector 30 cannot be removed.
- the plug connector 20 and the receptacle connector 30 do not slide the operating lever 25 correctly (from the state shown in FIG. 4C to the state shown in FIG. 4B). If the first protrusion 254 hits the second protrusion 343, the first protrusion 254 cannot be removed. Before removal, the operating lever 25 must be slid (from the state shown in FIG. 4C to the state shown in FIG. 4B) so that the safety device does not operate.
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Abstract
Description
従来用いられている電源回路遮断装置としては、例えば、特許文献1に開示されているように、レバー操作により電気コネクタの嵌合・抜去を行う方式の装置や、特許文献2に開示されているように、両端付近を把持しながら抜去を行う方式の装置が挙げられる。
しかしながら、特許文献1のレバー方式による電源回路遮断装置では、構造が複雑であり部品点数が多くなってしまい、管理工数及びコストが掛かると共にコネクタの大きさが大きくなってしまい、小型化の要求に対応できないという問題点がある。
また、特許文献2の方式による電源回路遮断装置では、引用文献1の問題点はある程度解決されたものの、電気コネクタの嵌合状態を検知するための検出用回路(安全装置)を作動させる部品が独立した部品であるため、一連の動作による嵌合・抜去の作業が行えないという問題点がある。
プラグコネクタ20について説明する。
前記プラグコネクタ20は、主に、2つのプラグコンタクト241と、該プラグコンタクト241が固定される第二プラグハウジング23と、第一検出用コンタクト261と、該第一検出用コンタクト261が固定される操作レバー25と、前記第二プラグハウジング23が収容されると共に前記操作レバー25が回動及びスライド可能に取り付けられる第一プラグハウジング21と、を有する。
さらに、検出用回路について説明する。前記検出用回路はメインとなる電気回路とは別に設けられたコネクタ同士の嵌合を検出する電気回路であり、安全装置としての役割を果たしていて、コネクタ同士が完全に嵌合(メインの電気回路が導通)していなければ安全装置を作動(検出用回路を導通)させることができない。本実施形態では、前記プラグコネクタ20の第一検出用コンタクト261と前記レセプタクルコネクタ30の第二検出用コンタクト322とを接触させることで、前記検出用回路が導通し安全装置が作動する。
また、前記把持部251の両端外側には、第一突起254が設けられている。該第一突起254は、レセプタクルコネクタ30の第二突起343と作用することで、主に安全装置に対する役割を果たしているが、それらの役割や作用の詳細については後述する。
レセプタクルコネクタ30について説明する。
前記レセプタクルコネクタ30は、主に、2つのレセプタクルコンタクト331と、2つの第二検出用コンタクト322と、前記第二検出用コンタクト322が収容される第二検出用コンタクト保持部材321及び前記レセプタクルコンタクト331が固定されるレセプタクルハウジング31と、カバー35と、を有する。以下、それぞれの部位について説明する。
前記レセプタクルコンタクト331を前記レセプタクルハウジング31のレセプタクルコンタクト収容空間317に挿入すると、前述の係合手段により前記レセプタクルコンタクト331が前記レセプタクルハウジング31に固定される。また、前記嵌合側の反対側の部位には、前記接続対象物と接続するボルト332が挿入されるボルト孔335が設けられている。前記ボルト332は、金具336と共にナット333により前記レセプタクルコンタクト331に固定される。前述したそれぞれの箇所の形状や大きさは相手物等に応じて適宜設計する。
次に、プラグコネクタ20とレセプタクルコネクタ30との嵌合及び抜去の作業について述べる。
まず、コネクタ嵌合時の作業手順の一例について述べる。最初にプラグコネクタ20の操作レバー25を図4(a)のように立てた状態にする。そして、把持部251を握り、前記プラグコネクタ20をレセプタクルコネクタ30内へ押し込みコネクタ同士(プラグコネクタ20とレセプタクルコネクタ30)を嵌合させる。コネクタ同士を完全に嵌合させ、プラグコンタクト241とレセプタクルコンタクト331とが接触すると、メインの電気回路が導通可能な状態となる。続いて、図4(a)から(b)に示すように操作レバー25を約90度°回動させて倒した状態にした後、図4(b)から(c)に示すように操作レバー25をスライドさせる。これで第一検出用コンタクト261と第二検出用コンタクト322とが接触することで検出用回路が導通し、安全装置が作動した状態となり、嵌合作業が終了となる。嵌合状態の前記プラグコネクタ20及び前記レセプタクルコネクタ30は、図2に示すような状態となる。
なお、前記プラグコネクタ20をレセプタクルコネクタ30内へ押し込みコネクタ同士を嵌合させる際、前記操作レバー25の状態は、前述した図4(a)の状態だけではなく、例えば、図4(b)の状態や、図4(a)と(b)の間の状態、つまり操作レバー25が斜めに立っている状態でも構わない。
20 プラグコネクタ
21 第一プラグハウジング
211 内部空間
212 凸部
213 検出用孔
214 係合突起
215 プラグハウジング間係止孔
216 操作レバー取付部
217 圧接突起
23 第二プラグハウジング
231 内部空間
232 プラグハウジング間係止突起
233 コンタクト用孔
234 ナット保持部
235 位置決め用凸部
241 プラグコンタクト
242 ボルト
243 ナット
244 ヒューズ
245 位置決め用凹部
246 接触部
25 操作レバー
251 把持部
252 取付部
253 第一検出用コンタクト収容孔
254 第一突起
261 第一検出用コンタクト
262 接触部
30 レセプタクルコネクタ
31 レセプタクルハウジング
35 カバー
311 第一内部空間
312 第二内部空間
313 フランジ部
314 係止孔
315 カバー係止孔
316 嵌合部
317 レセプタクルコンタクト収容空間
318 検出用嵌合凸部
319 保持部材収容空間
320 圧接突起
321 第二検出用コンタクト保持部材
322 第二検出用コンタクト
323 検出用ケーブル
324 第二検出用コンタクト収容空間
325 検出用係合突起
326 スリット
327 検出用ケーブル接続部
328 折曲片
329 接触部
331 レセプタクルコンタクト
332 ボルト
333 ナット
334 固定孔
335 ボルト孔
336 金具
337 接触部
338 孔
339 嵌合孔
341 検出用係止孔
342 固定突起
343 第二突起
35 カバー
351 係合突起
Claims (4)
- 複数のプラグコンタクトと、該プラグコンタクトに接続する導電部材と、前記プラグコンタクトが固定保持されるプラグハウジングと、レセプタクルコネクタとの嵌合を検出するための第一検出用コンタクトと、を有するプラグコネクタと、
接続対象物と接続すると共に前記プラグコンタクトと接触する複数のレセプタクルコンタクトと、該レセプタクルコンタクトが固定保持されるレセプタクルハウジングと、前記第一検出用コンタクトと接触し前記プラグコネクタとの嵌合を検出するための第二検出用コンタクトと、を有するレセプタクルコネクタと、を備え、
前記プラグコネクタと前記レセプタクルコネクタとが着脱自在に嵌合する電気コネクタにおいて、
前記プラグコネクタは、コネクタ嵌合時やコネクタ抜去時に把持するための把持部、及び、前記プラグハウジングに回動及び/又はスライド可能に取り付けるための取付部が設けられた操作レバーをさらに有し、
前記把持部には前記第一検出用コンタクトが装着され、前記プラグコネクタと前記レセプタクルコネクタとの嵌合後、前記操作レバーを回動及び/又はスライドさせると前記第一検出用コンタクトと前記第二検出用コンタクトとが接触して検出用回路が導通し、安全装置が作動することを特徴とする電気コネクタ。 - 前記操作レバーは第一突起が設けられ、前記レセプタクルコネクタには前記第一突起と作用する第二突起が設けられ、前記第一突起及び前記第二突起は、前記プラグコネクタと前記レセプタクルコネクタとの嵌合後に、初めて前記第一検出用コンタクトと前記第二検出用コンタクトとが接触することが可能となるような安全手段として作用することを特徴とする請求項1に記載の電気コネクタ。
- 前記プラグハウジングは、少なくとも、前記操作レバーが取り付けられる第一プラグハウジングと、前記プラグコンタクトが固定保持され前記第一プラグハウジングの内部空間に固定される第二プラグハウジングとから構成されることを特徴とする請求項1又は2に記載の電気コネクタ。
- 前記導電部材はヒューズであり、該ヒューズにより前記複数のプラグコンタクトが互いに接続されることを特徴とする請求項1~3のいずれか1項に記載の電気コネクタ。
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JP2003100382A (ja) * | 2001-09-25 | 2003-04-04 | Yazaki Corp | レバー嵌合式電源回路遮断装置 |
JP2012049092A (ja) * | 2010-08-30 | 2012-03-08 | D D K Ltd | 電気コネクタ |
JP2012182106A (ja) * | 2011-02-10 | 2012-09-20 | D D K Ltd | 電気コネクタ |
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JP2003100382A (ja) * | 2001-09-25 | 2003-04-04 | Yazaki Corp | レバー嵌合式電源回路遮断装置 |
JP2012049092A (ja) * | 2010-08-30 | 2012-03-08 | D D K Ltd | 電気コネクタ |
JP2012182106A (ja) * | 2011-02-10 | 2012-09-20 | D D K Ltd | 電気コネクタ |
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