WO2014073579A1 - コネクタ - Google Patents
コネクタ Download PDFInfo
- Publication number
- WO2014073579A1 WO2014073579A1 PCT/JP2013/080034 JP2013080034W WO2014073579A1 WO 2014073579 A1 WO2014073579 A1 WO 2014073579A1 JP 2013080034 W JP2013080034 W JP 2013080034W WO 2014073579 A1 WO2014073579 A1 WO 2014073579A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fitting
- terminal housing
- female terminal
- male terminal
- female
- 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
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- 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
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
- H01R13/6273—Latching means integral with the housing comprising two latching arms
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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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R2101/00—One pole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/08—Short-circuiting members for bridging contacts in a counterpart
Definitions
- the present invention relates to a connector.
- a housing for a female terminal in which a plurality of terminal accommodating chambers in which a plurality of female terminals are respectively accommodated is separated from a housing for a male terminal in which a plurality of male terminals connected to the plurality of female terminals are held.
- a connector formed in this manner is known (see Patent Document 1).
- the male terminal is slid on the contact member of the female terminal inserted into the terminal accommodating chamber (first connection) when the female terminal is inserted into the terminal accommodating chamber and connected to the terminal accommodating chamber.
- the female terminal and the male terminal are connected in divided stages (second connection).
- the male terminal housing and the female terminal housing can be respectively fitted.
- the load applied to connect the female terminal and the male terminal is dispersed into the load for the temporary fitting state and the load for the main fitting state. It is possible to reduce the maximum load in such connection.
- Patent Document 1 discloses that a rattle prevention rib and a ratchet prevention groove into which the rattle prevention rib enters are formed on the outer side surface and the inner side surface of the hood of the housing to be fitted.
- a configuration of a connector in which rattling in a direction orthogonal to the wall surface is suppressed is disclosed. However, in such a connector configuration, no consideration is given to preventing rattling in a direction parallel to the groove wall surface.
- the rattling prevention rib has a shape that is easily deformed in a direction perpendicular to the groove wall surface of the rattling prevention groove. In this way, depending on the degree of manufacturing tolerance of the housing, it may be assumed that sufficient vibration resistance performance cannot be obtained.
- the present invention has been made in view of this, and an object of the present invention is to reduce the maximum load (load) at the time of connection between the female terminal and the male terminal, while maintaining the vibration resistance of the connector during and after the terminal housing is fitted.
- the aim is to improve the performance.
- a female terminal housing in which a plurality of terminal accommodating chambers in which female terminals each having a contact portion are inserted and accommodated are formed, and a plurality of male terminals that are slidably contacted with the contact portion and connected to the female terminals.
- a male terminal housing in which a bus bar connecting the male terminal to an external conductor is insert-molded, and the female terminal housing and the male terminal housing are fitted to each other so that the female terminal and the male terminal are electrically connected.
- the female terminal housing and the male terminal housing are fitted to each other at a first fitting position and a second fitting position, and the first fitting position is A position where the terminal is inserted into the terminal accommodating chamber and the contact portion faces the male terminal, and the second fitting is set before the position where the male terminal is in sliding contact with the contact portion.
- the position is the male terminal Is set at a position in sliding contact with the contact portion, and the male terminal housing includes a resin arm portion extending in a fitting direction with the female terminal housing, and the bus bar and the fitting.
- a metal bracket portion extending in a mating direction is provided, and the female terminal housing has a first engagement protrusion that engages with a groove formed in the arm portion at the first fitting position, A second engaging protrusion that engages with the groove portion of the arm portion at the second fitting position, and a fitting protrusion that is fitted into a hole formed in the bracket portion at the second fitting position; A connector provided with a guide portion for guiding the bracket portion to the fitting protrusion.
- the load applied to connect the female terminal and the male terminal is the same as the load for positioning the female terminal housing and the male terminal housing at the first fitting position. It is distributed to the load for moving to the fitting position, and the maximum load in such connection can be reduced.
- the arm portion of the male terminal housing is locked by the first engaging protrusion of the female terminal housing, so that these housings can be positioned at the first fitting position.
- the arm portion of the male terminal housing is locked by the second engaging protrusion of the female terminal housing, and the bracket portion of the male terminal housing is locked by the fitting protrusion of the female terminal housing, so that these housings are It is positioned at the second fitting position.
- the bracket portion can be guided to the insertion protrusion by the guide portion, and rattling between the female terminal housing and the male terminal housing can be suppressed (vibration resistance can be improved). Then, after the female terminal housing and the male terminal housing are positioned at the second fitting position, the vibration-proofing of both housings is achieved by engaging the second engaging protrusion with the arm portion and inserting the fitting protrusion into the bracket portion. Performance can be improved, and these housings can be kept in the second fitting position.
- a circular hole is formed in the bracket part, and the insertion protrusion has a circular diameter of a cross section on the female terminal housing.
- a connector which is set to be approximately the same size as the diameter and protrudes from the female terminal housing into a convex spherical shape.
- FIG. 1 is a perspective view showing an overall configuration of a connector according to an embodiment of the present invention in a state where a male terminal housing and a female terminal housing are separated (pre-fitting state).
- FIG. 2 is a perspective view showing the configuration of the bus bar shown in FIG.
- FIGS. 3A to 3C are views showing a state in which the female terminal housing and the male terminal housing are positioned at the first fitting position (first fitting state), and FIG. ) Is a perspective view
- FIG. 3B is a side view
- FIG. 3C is a diagram showing a cross section taken along arrow A3 in FIG.
- FIGS. 4A to 4C are views showing a state in which the female terminal housing and the male terminal housing are positioned at the second fitting position (second fitting state), and
- FIG. ) Is a perspective view
- FIG. 4 (b) is a side view
- FIG. 4 (c) is a diagram showing a cross section taken along arrow A4 in FIG.
- FIG. 1 is a perspective view showing an overall configuration of a connector according to an embodiment of the present invention in a state where a male terminal housing and a female terminal housing are separated (pre-fitting state).
- three axial directions orthogonal to each other shown in FIG. 1 are referred to as an X direction, a Y direction, and a Z direction.
- the Z direction corresponds to the fitting direction (assembly direction) of the female terminal housing and the male terminal housing
- the X direction is perpendicular to the fitting direction (for example, the horizontal direction)
- the Y direction is perpendicular to these directions. This corresponds to the direction to be performed (for example, the vertical direction).
- the connector 1 includes a female terminal housing 5 in which a plurality of terminal accommodating chambers 4 in which female terminals 3 having contact portions (not shown) are inserted and accommodated, and the contact portions.
- a male terminal housing 8 in which a plurality of male terminals 7 slidably connected and connected to the female terminals 3 are held, and a bus bar 6 in which the male terminals 7 are connected to an external conductor (for example, a ground conductor) is insert-molded. It has.
- the female terminal housing 5 and the male terminal housing 8 are fitted, and the female terminal 3 and the male terminal 7 are electrically connected.
- the female terminal 3 includes a contact terminal portion 3b formed into a cylindrical shape containing a resiliently deformable contact portion, a crimp terminal portion 3c to which the electric wire 2 is crimped, and a ring attached to the outer periphery of the end portion of the electric wire 2 A member (for example, a ring packing) 2a is provided.
- the terminal accommodating chamber 4 of the female terminal housing 5 includes a rectangular cylindrical accommodating chamber (hereinafter referred to as a rectangular cylindrical portion) in which the contact terminal portion 3b of the female terminal 3 is accommodated, a crimp terminal portion 3c of the female terminal 3, and an electric wire. And a cylindrical storage chamber (hereinafter referred to as a cylindrical portion) 4b in which two ring packings 2a are stored.
- the rectangular tube portion is positioned closer to the male terminal housing 8 than the cylindrical portion 4b.
- the material of the female terminal housing 5 will not be specifically limited if it has elasticity, in this embodiment, the case where the female terminal housing 5 is comprised with resin is assumed as an example.
- the female terminal 3 includes a lance (not shown) in which a locking hole (not shown) formed on one side surface of the elastically deformable contact terminal portion 3b is formed on the inner wall of the terminal accommodating chamber 4 by an elastic member.
- the terminal housing chamber 4 in short, the female terminal housing 5
- the lance is formed on the inner wall of a predetermined side (for example, the lower side in the Y direction) of the rectangular cylindrical portion of the terminal accommodating chamber 4.
- the lance is made of the same resin as the female terminal housing 5, and from the cylindrical portion 4 b of the terminal accommodating chamber 4 in which the crimp terminal portion 3 c of the female terminal 3 and the ring packing 2 a of the electric wire 2 are accommodated. It can be integrally formed in a cantilever shape by being extended to a rectangular tube portion in which the contact terminal portion 3b is accommodated. In addition, what is necessary is just to form the lance with respect to the female terminal housing 5 according to the number of the female terminals 3 one by one in the terminal storage chamber 4 according to this.
- Such a lance is pressed by the female terminal 3 and elastically bent before engaging with the locking hole of the female terminal 3 inserted into the terminal accommodating chamber 4 (hereinafter, this state is referred to as a half-inserted state).
- this state After being deformed and engaged with the locking hole of the female terminal 3 inserted into the terminal accommodating chamber 4 (hereinafter, this state is referred to as a fully inserted state), the elastic deformation is returned and deformed.
- the lance is elastically deformed so as to be retracted from the rectangular cylindrical portion of the terminal accommodating chamber 4 (as an example, on the lower side in the Y direction).
- the lance is elastically deformed and deformed so as to advance into the rectangular tube portion of the terminal accommodating chamber 4 at the position of the locking hole of the female terminal 3 (as an example, on the upper side in the Y direction), and the female terminal 3 is engaged with the locking hole.
- the female terminal 3 is latched with the lance, and the retaining of the female terminal 3 from the terminal accommodating chamber 4 is achieved.
- the bus bar 6 is insert-molded in the male terminal housing 8.
- the male terminal 7 is protruded from the bus bar 6 and is inserted and connected to the female terminal 3.
- FIG. 2 is a perspective view showing the configuration of the bus bar 6.
- the male terminal 7 is formed integrally with the bus bar 6.
- the male terminal 7 is made of the same conductive material as that of the bus bar 6, and the tip of the male terminal 7 enters the rectangular tube portion of the terminal accommodating chamber 4 of the female terminal housing 5 so that it can be slidably connected to the contact portion of the female terminal 3. Is formed.
- the bus bar 6 can be formed by punching or bending a metal conductor flat plate, and the male terminal 7 is formed simultaneously with the bus bar main body 6a when the bus bar 6 is processed. Can do. And the resin-made arm part 80 mentioned later with respect to such a bus bar 6, the connection part 83, and the coating
- the male terminal housing 8 in which 83 and the covering portion 84 are integrated is configured.
- the male terminal 7 protrudes from both ends in the Y direction of the plate-like bus bar main body 6a along the X direction and is connected to the female terminal 3 (the direction indicated by the arrow A11 in FIG. 1). It extends in the shape of a plate toward
- the bus bar body 6a is provided with connecting portions 6b and 6c for connecting the male terminal 7 to an external conductor (for example, a ground conductor) and a bracket portion 81 to be described later.
- the bus bar main body portion 6 a is covered with the covering portion 84 and integrated with the arm portion 80 and the connecting portion 83.
- FIG. 2 shows, as an example, a configuration in which a total of eight male terminals 7 are arranged at approximately equal intervals, four from each end in the Y direction of the bus bar body 6a. Needless to say, the same number of male terminals 7 as the number of female terminals 3 inserted into the terminal accommodating chamber 4 may be formed on the bus bar 6, and the number can be arbitrarily set.
- the connector 1 can have a waterproof structure.
- the connector 1 is configured such that the male terminal 7 is slidably connected to the contact portion of the female terminal 3 by fitting the female terminal housing 5 and the male terminal housing 8 together.
- the female terminal housing 5 and the male terminal housing 8 are configured to be fitted at the first fitting position and the second fitting position (that is, in two stages).
- the first fitting position is a position where the female terminal 3 is inserted into the terminal accommodating chamber 4 and the contact portion faces the male terminal 7, and the male terminal 7 is in sliding contact with the contact portion of the female terminal 3. Is also set in the foreground.
- the second fitting position is set to a position where the male terminal 7 is in sliding contact with the contact portion of the female terminal 3.
- the state in which the female terminal housing 5 and the male terminal housing 8 are in the first fitting position is referred to as a first fitting state
- the state in the second fitting position is the second fitting. It is called a state.
- the first fitting state and the second fitting state the above-described locking hole of the female terminal 3 and the lance are engaged, and both correspond to the main insertion state.
- the female terminal housing 5 and the male terminal housing 8 are shifted from the first fitting state to the second fitting state (from the first fitting position to the second fitting position).
- the male terminal 7 is in sliding contact with the contact portion of the female terminal 3.
- the load applied to connect the female terminal 3 and the male terminal 7 is distributed into the load for setting the first fitting state and the load for setting the second fitting state. The maximum load in a simple connection is reduced.
- the male terminal housing 8 is connected to the bus bar 6 and the resin arm portion 80 extending in the fitting direction with the female terminal housing 5 (the direction indicated by the arrow A11 in FIG. 1). And a metal bracket portion 81 extending in the fitting direction.
- the arm portion 80 has a plate shape from both sides in the X direction of the male terminal housing 8 toward the outer peripheral surface of the female terminal housing 5 (specifically, the outer side surface 4d of the outer casing portion 4c of the rectangular tube portion with respect to the X direction). It has been extended.
- the arm part 80 has a groove part (hereinafter referred to as a locking groove) 82 formed along the fitting direction (Z direction) between the female terminal housing 5 and the male terminal housing 8.
- a total of four arm portions 80 are extended from the both sides in the X direction of the male terminal housing 8 toward the outer side surface 4d of the outer flange portion 4c. That is, two arm portions 80 (80a, 80b, and 80c, 80d shown in FIG.
- the arm portion 80 extends in the fitting direction with the female terminal housing 5 (the direction indicated by arrow A11 in FIG. 1) so as to sandwich the outer flange portion 4c of the female terminal housing 5 from both sides in the X direction. It has the structure made. Further, one set of arm portions 80 is arranged at each end in the Y direction of the male terminal housing 8 at each side portion in the X direction of the male terminal housing 8. These arm portions 80 are connected through two connecting portions 83.
- the two arm portions 80 (for example, 80 a and 80 c) arranged on one end side in the Y direction on each side portion of the male terminal housing 8 are connected to each other via one connecting portion 83.
- two arm portions 80 (for example, 80b and 80d) arranged on the other end side in the Y direction are connected to each other via the other connecting portion 83.
- the two connecting portions 83 extend along the X direction so as to be passed between the two arm portions 80 (between 80a and 80c and between 80b and 80d). (80a and 80c and 80b and 80d).
- the bracket portion 81 is directed from one side portion of the bus bar 6 in the X direction to the outer peripheral surface of the female terminal housing 5 (specifically, from the bus bar main body portion 6a to the outer side surface 4d with respect to the X direction of the outer flange portion 4c of the rectangular cylindrical portion). It is extended like a plate. That is, the bracket portion 81 has a configuration that is integrally connected to the bus bar 6. Thereby, as described later, when the bracket portion 81 is locked by the fitting protrusion 52 of the female terminal housing 5, the bus bar 6 is simultaneously positioned and fixed with respect to the female terminal housing 5.
- one bracket portion 81 is extended from one side portion in the X direction of the bus bar 6 toward the outer side surface 4d of the outer flange portion 4c.
- the bracket portion 81 is positioned between a pair of arm portions 80 (80a and 80b shown in FIG. 1) provided at both ends in the Y direction on one side portion in the X direction of the male terminal housing 8. 6 on one side in the X direction.
- the bracket part 81 starts the fitting of the female terminal housing 5 and the male terminal housing 8, and shifts from the first fitting state to the second fitting state (from the first fitting position to the second fitting state). 3), the abutting portion (shown in FIG. 3 (c) and FIG.
- the extending tip 81b) is formed to be inclined outward so as to taper in the fitting direction (the direction indicated by arrow A11 in FIG. 1).
- the extending tip 81 b of the bracket portion 81 is inclined so as to follow the inclination of the fitting protrusion 52.
- the extension dimension of the bracket part 81 is set so that the extension tip 81b is positioned to protrude from the arm part 80 in the fitting direction (the direction indicated by the arrow A11 in FIG. 1).
- the bracket portion 81 is formed with a hole portion 81a penetrating in the X direction in the vicinity of the extending tip 81b.
- the hole 81a is a circular hole.
- the hole 81 a is a hole for fitting a fitting protrusion 52 of the female terminal housing 5 described later at the second fitting position, and its configuration (size, shape, etc.) depends on the configuration of the fitting protrusion 52. Can be set.
- the female terminal housing 5 includes a first engagement protrusion 50 that engages with a locking groove 82 formed in the arm portion 80 at the first fitting position, and an arm at the second fitting position.
- a second engaging projection 51 that engages with the locking groove 82 of the portion 80, a fitting projection 52 that is fitted into the hole 81 a formed in the bracket portion 81 at the second fitting position, and the bracket portion 81.
- a guide portion 53 that is guided to the insertion protrusion 52 is provided.
- the first engaging protrusion 50 is provided so as to protrude from the outer side surface 4d of the outer flange portion 4c in correspondence with the locking groove 82 of the arm portion 80.
- a total of four first engaging protrusions 50 project from the outer side surfaces 4d on both sides in the X direction of the outer flange portion 4c, respectively, in a substantially rectangular shape. That is, the first engaging projections 50 (for example, 50a and 50b shown in FIG. 1) that form a pair at each side in the X direction of the female terminal housing 5 are provided so as to form a pair at both sides in the X direction. It is set as the structure.
- a pair of first engaging protrusions 50 are arranged one by one at both ends of the outer flange portion 4c in the Y direction.
- the first engaging protrusion 50 protrudes from the first engaging protrusion 50 so that the arm portion 80 can easily come on when the female terminal housing 5 and the male terminal housing 8 are fitted.
- the contact portion is formed to be inclined toward the outer surface 4d so as to be tapered in the fitting direction (the direction indicated by arrow A12 in FIG. 1).
- the second engagement protrusion 51 is provided so as to protrude from the outer side surface 4d of the outer flange portion 4c in correspondence with the locking groove 82 of the arm portion 80.
- a total of four second engaging protrusions 51 are projected in a substantially rectangular shape, two from each of the outer side surfaces 4d on both sides in the X direction of the outer flange portion 4c. That is, the second engaging protrusions 51 (for example, 51a and 51b shown in FIG. 1) that form a pair at each side in the X direction of the female terminal housing 5 are provided so as to form a pair at both sides in the X direction. It is set as the structure.
- a pair of second engaging protrusions 51 are arranged one by one at both ends of the outer flange portion 4c in the Y direction.
- the second engagement protrusion 51 starts to be engaged with the female terminal housing 5 and the male terminal housing 8, and is shifted from the first engagement state to the second engagement state (first engagement). 1), the abutting portion of the second engaging protrusion 51 is moved in the fitting direction (in FIG. 1, the arrow A12) so that the arm portion 80 can easily hit and ride up. It is formed to be inclined toward the outer surface 4d so as to be tapered in the direction shown in FIG.
- the first engagement protrusion 50 and the second engagement protrusion 51 are configured to have substantially the same size and shape, and both are positioned on the male terminal housing 8 side with respect to the X direction of the outer surface 4d. ing. Specifically, the first engaging protrusion 50 is on the near side (corresponding to the first fitting position) with respect to the fitting direction with the male terminal housing 8 (the direction indicated by arrow A12 in FIG. 1). The second engagement protrusion 51 is positioned on the back side (corresponding to the second fitting position). That is, the arrangement interval between the first engagement protrusion 50 and the second engagement protrusion 51 is such that the female terminal housing 5 and the male terminal housing 8 are moved from the first fitting position to the second fitting position. It corresponds to the movement distance at the time.
- first engaging protrusion 50 and the second engaging protrusion 51 are formed when the female terminal housing 5 and the male terminal housing 8 are moved from the first fitting position to the second fitting position.
- An interval corresponding to the relative movement distance with respect to the fitting direction (Z direction) may be provided along the Z direction of the outer side surface 4d and disposed at both ends of the outer flange portion 4c in the Y direction.
- the fitting protrusion 52 is provided so as to protrude from the outer side surface 4d of the outer flange portion 4c in correspondence with the hole portion 81a of the bracket portion 81.
- it is set as the structure by which the insertion euros
- the fitting protrusions 52 are a set of first engaging protrusions 50 (50a and 50b shown in FIG. 1) and second engaging protrusions provided at both ends in the Y direction on one side in the X direction of the outer flange portion 4c. 51 (51a, 51b shown in FIG.
- the insertion protrusion 52 is positioned so as to be positioned at a substantially intermediate portion in both the Y direction and the Z direction with respect to ribs 53a and 53b of a guide portion 53 described later provided on one side in the X direction of the outer flange portion 4c. It is arranged on the outer side surface 4d on one side in the direction.
- the insertion protrusion 52 is a protrusion that is inserted into the hole 81a of the bracket portion 81 at the second fitting position, and the configuration (size, shape, etc.) may be set according to the configuration of the hole 81a. .
- the insertion protrusion 52 is configured so that the circular diameter of the cross section on the female terminal housing 5 (specifically, on the outer surface 4d) is set to be approximately the same as the opening diameter of the hole 81a. It protrudes from the outer surface 4d of the housing 5 into a convex curved surface (for example, a convex spherical surface).
- the hole 81a is in a state where the fitting protrusion 52 is in close contact with the opening edge of the hole 81a. Inserted. Then, after the insertion, it is possible to suppress rattling in all directions on the outer surface 4d, that is, to improve the vibration resistance, and to maintain such an insertion state. That is, the connector 1 can be provided with a slide lock (through lock) structure by the fitting protrusion 52 and the hole 81a.
- bracket portion 81 is made of metal, it has higher rigidity than that made of resin or the like, and after the insertion protrusion 52 is inserted into the hole portion 81a, the bracket portion 81 is omnidirectional (for example, the Y direction and the Z direction) In addition to (direction), the backlash suppression (vibration resistance improvement) effect can be enhanced also in the direction (X direction) perpendicular to the outer surface 4d.
- the guide portion 53 includes a pair of bowl-shaped ribs 53a and 53b extending in parallel along the fitting direction (Z direction) of the female terminal housing 5 and the male terminal housing 8, and between the ribs 53a and 53b.
- the bracket part 81 is guided in a state of being sandwiched between the two.
- the guide portion 53 is a space formed between the ribs 53a, 53b and the ribs 53a, 53b disposed opposite to the outer surface 4d of the outer flange portion 4c at a predetermined interval (hereinafter referred to as the ribs 53a, 53b). This is referred to as a guide groove.) 53c.
- the ribs 53a and 53b are provided on the outer side surface 4d on one side in the X direction of the outer flange portion 4c (that is, the outer side surface 4d provided with the fitting protrusions 52).
- the ribs 53a and 53b are opposite to each other in the Y direction so as to reduce the interval. It is a bent configuration.
- the ribs 53a and 53b protrude from the outer surface 4d at a height substantially the same as the thickness of the bracket portion 81 in the X direction.
- a space capable of accommodating the bracket portion 81 can be formed between the ribs 53a and 53b, and the space is configured as a guide groove 53c.
- the bracket portion 81 when the bracket portion 81 is moved along the ribs 53a and 53b, the bracket portion 81 enters the guide groove 53c and is guided to the fitting protrusion 52 of the female terminal housing 5. At this time, since the bracket portion 81 is guided by the guide portion 53 while being sandwiched between the ribs 53a and 53b, the female terminal housing 5 and the male terminal housing 8 are second fitted from the first fitting position. When moving to the position, backlash in the Y direction of these housings 5 and 8 is suppressed. Further, the ribs 53a and 53b can be accommodated in the guide groove 53c in the vicinity of the extending tip 81b of the bracket portion 81 in the first fitting state, and include the vicinity of the extending tip 81b in the second fitting state.
- the dimension in the Z direction (the fitting direction of the female terminal housing 5 and the male terminal housing 8) may be set so that a substantially half portion of the bracket portion 81 can be accommodated in the guide groove 53c.
- FIG. 3 shows a state where the female terminal housing 5 and the male terminal housing 8 are fitted and assembled to each other.
- Such assembly is performed by fitting the male terminal housing 8 to the female terminal housing 5 so that the female terminal 3 is inserted into the terminal accommodating chamber 4 to be in the fully inserted state (that is, a state where it can be connected to the male terminal 7).
- 3A to 3C show a state where the female terminal housing 5 and the male terminal housing 8 are positioned at the first fitting position (first fitting state).
- (A) of FIG. 3 is a perspective view, FIG.
- FIG. 3 (b) is a side view
- FIG. 3 (c) is a view showing a cross section taken along arrow A3 in FIG. 4A to 4C show a state where the female terminal housing 5 and the male terminal housing 8 are positioned at the second fitting position (second fitting state).
- 4 (a) is a perspective view
- FIG. 4 (b) is a side view
- FIG. 4 (c) is a diagram showing a cross section taken along arrow A4 in FIG. 4 (b) from the direction of the arrow. 3A and 3C and FIGS. 4A and 4C, the female terminal 3 is not shown.
- the female terminal housing 5 and the male terminal housing 8 are positioned so that the first engagement protrusion 50 and the arm portion 80 face each other. Then, the extended tip of the arm portion 80 is brought into contact with the first engagement protrusion 50.
- a predetermined pushing force force in the A11 direction in FIG. 1
- the arm portion 80 is elastically bent and deformed so as to spread outward in the X direction against the pushing force. It rides on the engagement protrusion 50 of.
- the arm portion 80 is elastically bent and deformed so as to narrow inward.
- the first engaging protrusion 50 enters the locking groove 82 of the arm portion 80 and engages with the locking groove 82, and the arm portion 80 is locked.
- the female terminal housing 5 and the male terminal housing 8 are in the first fitting position.
- the female terminal 3 is inserted in the terminal accommodating chamber 4, and the engagement hole of the female terminal 3 is latched by the lance and is prevented from coming off.
- the female terminal housing 5 and the male terminal housing 8 are in the first fitted state (the states shown in FIGS. 3A to 3C). In this way, when the first fitting state is established, in order to release the fitting between the female terminal housing 5 and the male terminal housing 8, the arm portion 80 is warped and the locking groove 82 and the first engaging protrusion 50 are released. However, the release force is sufficient to warp the plate-like arm portion 80.
- the bracket portion 81 is guided along the ribs 53 a and 53 b of the guide portion 53, and the guide Enter the groove 53c. Then, when the first engaging protrusion 50 locks the arm portion 80 and the female terminal housing 5 and the male terminal housing 8 are in the first fitting position, the bracket portion 81 is guided in the vicinity of the extended tip 81b. It will be in the state accommodated in the groove
- the pushing force acts on the male terminal housing 8 in the first fitting state, and The extending tip comes into contact with the second engaging protrusion 51.
- the arm portion 80 is elastically deformed so as to spread outward in the X direction against the pressing force, and rides on the second engagement protrusion 51.
- the arm portion 80 is elastically bent and deformed so as to be narrowed inward.
- the second engaging projection 51 enters the locking groove 82 of the arm portion 80 and is engaged with the locking groove 82 to lock the arm portion 80. That is, the female terminal housing 5 and the male terminal housing 8 are in the second fitting position.
- the female terminal housing 5 and the male terminal housing 8 are in the second fitted state (the states shown in FIGS. 4A to 4C).
- the first engaging protrusion 50 is also kept engaged with the locking groove 82 of the arm portion 80.
- the male terminal 7 can be slidably contacted to the contact part of the female terminal 3, and the male terminal 7 and the female terminal 3 are electrically connected.
- the arm portion 80 is warped and the locking groove 82 and the second engaging projection 51 are However, a release force that only warps the plate-like arm portion 80 is sufficient.
- the bracket portion 81 when the pushing force acts on the male terminal housing 8 in the first fitting state, the bracket portion 81 is further guided into the guide groove 53c while being guided along the ribs 53a and 53b of the guide portion 53. It enters and comes into contact with the fitting protrusion 52.
- the bracket portion 81 When the pushing force is further applied in this state, the bracket portion 81 is elastically bent and deformed so as to spread outward in the X direction against the pushing force, and rides on the fitting protrusion 52 and the ribs 53a and 53b. Abut. The bracket portion 81 slides with respect to the fitting protrusion 52 and the ribs 53a and 53b, and enters the guide groove 53c until the entire hole portion 81a is positioned on the fitting protrusion 52.
- the bracket part 81 is elastically bent and restored and deformed so as to narrow inward along the protruding surface (convex curved surface) of the insertion protrusion 52, and the hole 81a.
- the fitting projection 52 is inserted.
- the bracket portion 81 is locked by the fitting protrusion 52, and the female terminal housing 5 and the male terminal housing 8 are in the second fitting position, that is, the second fitting state (FIG. 4 (a) to ( c)).
- the second engaging projection 51 is engaged with the locking groove 82 and the arm portion 80 is locked, and the fitting projection 52 is fitted into the hole 81a and the bracket portion 81 is locked.
- the second fitting state occurs in synchronization with the electrical connection state between the female terminal 3 and the male terminal 7. And the electrical connection state of the female terminal 3 and the male terminal 7 is maintained by the 2nd fitting state. Further, when the female terminal 3 and the male terminal 7 are electrically disconnected, a procedure reverse to the connection procedure described above may be sequentially performed.
- the maximum load (load) when the female terminal 3 and the male terminal 7 are connected can be reduced, and the female terminal housing 5 and the male terminal housing 8 can be fitted together.
- the vibration resistance of the connector 1 after fitting can be improved.
- a female terminal housing 5 in which a plurality of terminal accommodating chambers 4 in which female terminals 3 having contact portions are respectively inserted and accommodated are formed;
- a male terminal housing 8 in which a bus bar 6 for inserting the male terminal 7 to an external conductor is insert-molded while holding a plurality of male terminals 7 slidably in contact with the contact portion and connected to the female terminal 3;
- a connector 1 in which the female terminal housing 5 and the male terminal housing 8 are fitted and the female terminal 3 and the male terminal 7 are electrically connected, The female terminal housing 5 and the male terminal housing 8 are fitted to each other at a first fitting position and a second fitting position, The first fitting position is a position where the female terminal 3 is inserted into the terminal accommodating chamber 4 and the contact portion faces the male terminal 7, and the male terminal 7 slides on the contact portion.
- the second fitting position is set to a position where the male terminal 7 is in sliding contact with the contact portion
- the male terminal housing 8 includes a resin-made arm portion 80 extending in the fitting direction with the female terminal housing 5 and a metal bracket connected to the bus bar 6 and extending in the fitting direction. Part 81 is provided,
- the female terminal housing 5 has a first engagement protrusion 50 that engages with a locking groove (groove portion) 82 formed in the arm portion 80 at the first fitting position, and the second fitting.
- the second engagement protrusion 51 that engages with the locking groove (groove portion) 82 of the arm portion 80 at the position and the hole portion 81a formed in the bracket portion 81 at the second fitting position.
- the connector 1 is provided with an insertion protrusion 52 and a guide portion 53 that guides the bracket portion 81 to the insertion protrusion 52.
- the bracket portion 81 is formed with a circular hole portion 81a, and the fitting protrusion 52 has a cross-sectional circle diameter on the female terminal housing 5.
- a connector 1 which is set to be approximately the same as the opening diameter of the hole 81a and protrudes from the female terminal housing 5 into a convex spherical surface (convex curved surface).
- the guide portion 53 includes a pair of bowl-shaped ribs 53a and 53b extending in parallel along the fitting direction. The connector 1 in which the bracket portion 81 is guided while being sandwiched between the ribs 53a and 53b.
- the connector of the present invention it is possible to reduce the maximum load (load) when the female terminal and the male terminal are connected, and to improve the vibration resistance of the connector when the terminal housing is fitted and after the fitting. Can do.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
このようなコネクタにおいては、雌端子が端子収容室に挿入されて該端子収容室と接続される段階(第1の接続)と、端子収容室に挿入した雌端子の接点部材に雄端子が摺接される段階(第2の接続)に分けて、雌端子と雄端子が接続されている。そして、この場合、第1の接続を行うための第1の嵌合位置(仮嵌合状態)と、第2の接続を行うための第2の嵌合位置(本嵌合状態)とで、雄端子ハウジングと雌端子ハウジングがそれぞれ嵌合可能な構成とされている。このようなコネクタ構成とすることで、雌端子と雄端子を接続するために負荷される荷重が、仮嵌合状態とするための荷重と本嵌合状態とするための荷重に分散され、このような接続における最大荷重を低減することが可能となる。
(1) 接点部を有する雌端子がそれぞれ挿入されて収容される複数の端子収容室が形成された雌端子ハウジングと、前記接点部と摺接して前記雌端子に接続される複数の雄端子を保持するとともに、前記雄端子を外部導体に接続するバスバがインサート成形された雄端子ハウジングとを備え、前記雌端子ハウジングと前記雄端子ハウジングが嵌合されて前記雌端子と前記雄端子が電気的に接続されるコネクタであって、前記雌端子ハウジングと前記雄端子ハウジングは、第1の嵌合位置と第2の嵌合位置で互いに嵌合され、前記第1の嵌合位置は、前記雌端子が前記端子収容室に挿入されて前記接点部を前記雄端子へ臨ませた位置であって、前記雄端子が前記接点部と摺接する位置よりも手前に設定され、前記第2の嵌合位置は、前記雄端子が前記接点部に摺接する位置に設定されており、前記雄端子ハウジングには、前記雌端子ハウジングとの嵌合方向へ延出する樹脂製のアーム部と、前記バスバに連設されて前記嵌合方向へ延出する金属製のブラケット部が設けられ、前記雌端子ハウジングには、前記第1の嵌合位置で前記アーム部に形成された溝部と係合する第1の係合突起と、前記第2の嵌合位置で前記アーム部の溝部と係合する第2の係合突起と、前記第2の嵌合位置で前記ブラケット部に形成された孔部へ嵌入される嵌入突起と、前記ブラケット部を前記嵌入突起へガイドするガイド部とが設けられているコネクタ。
前記接点部と摺接して前記雌端子3に接続される複数の雄端子7を保持するとともに、前記雄端子7を外部導体に接続するバスバ6がインサート成形された雄端子ハウジング8とを備え、
前記雌端子ハウジング5と前記雄端子ハウジング8が嵌合されて前記雌端子3と前記雄端子7が電気的に接続されるコネクタ1であって、
前記雌端子ハウジング5と前記雄端子ハウジング8は、第1の嵌合位置と第2の嵌合位置で互いに嵌合され、
前記第1の嵌合位置は、前記雌端子3が前記端子収容室4に挿入されて前記接点部を前記雄端子7へ臨ませた位置であって、前記雄端子7が前記接点部と摺接する位置よりも手前に設定され、
前記第2の嵌合位置は、前記雄端子7が前記接点部に摺接する位置に設定されており、
前記雄端子ハウジング8には、前記雌端子ハウジング5との嵌合方向へ延出する樹脂製のアーム部80と、前記バスバ6に連設されて前記嵌合方向へ延出する金属製のブラケット部81が設けられ、
前記雌端子ハウジング5には、前記第1の嵌合位置で前記アーム部80に形成された係止溝(溝部)82と係合する第1の係合突起50と、前記第2の嵌合位置で前記アーム部80の係止溝(溝部)82と係合する第2の係合突起51と、前記第2の嵌合位置で前記ブラケット部81に形成された孔部81aへ嵌入される嵌入突起52と、前記ブラケット部81を前記嵌入突起52へガイドするガイド部53とが設けられているコネクタ1。
[2] 上記[1]の構成のコネクタ1であって、前記ブラケット部81には、円形の孔部81aが形成され、前記嵌入突起52は、前記雌端子ハウジング5上の断面の円径が前記孔部81aの開口径と略同寸に設定されて前記雌端子ハウジング5から凸球面状(凸曲面状)に突出されているコネクタ1。
[3] 上記[1]又は[2]の構成のコネクタ1であって、前記ガイド部53は、前記嵌合方向に沿って並行に延設された一対の鉤型のリブ53a,53bを備え、前記リブ53a,53bの間で挟持した状態で前記ブラケット部81がガイドされるコネクタ1。
3 雌端子
4 端子収容室
5 雌端子ハウジング
6 バスバ
7 雄端子
8 雄端子ハウジング
50 第1の係合突起
51 第2の係合突起
52 嵌入突起
53 ガイド部
80 アーム部
81 ブラケット部
81a 孔部
82 溝部(係止溝)
Claims (3)
- 接点部を有する雌端子がそれぞれ挿入されて収容される複数の端子収容室が形成された雌端子ハウジングと、
前記接点部と摺接して前記雌端子に接続される複数の雄端子を保持するとともに、前記雄端子を外部導体に接続するバスバがインサート成形された雄端子ハウジングとを備え、
前記雌端子ハウジングと前記雄端子ハウジングが嵌合されて前記雌端子と前記雄端子が電気的に接続されるコネクタであって、
前記雌端子ハウジングと前記雄端子ハウジングは、第1の嵌合位置と第2の嵌合位置で互いに嵌合され、
前記第1の嵌合位置は、前記雌端子が前記端子収容室に挿入されて前記接点部を前記雄端子へ臨ませた位置であって、前記雄端子が前記接点部と摺接する位置よりも手前に設定され、
前記第2の嵌合位置は、前記雄端子が前記接点部に摺接する位置に設定されており、
前記雄端子ハウジングには、前記雌端子ハウジングとの嵌合方向へ延出する樹脂製のアーム部と、前記バスバに連設されて前記嵌合方向へ延出する金属製のブラケット部が設けられ、
前記雌端子ハウジングには、前記第1の嵌合位置で前記アーム部に形成された溝部と係合する第1の係合突起と、前記第2の嵌合位置で前記アーム部の溝部と係合する第2の係合突起と、前記第2の嵌合位置で前記ブラケット部に形成された孔部へ嵌入される嵌入突起と、前記ブラケット部を前記嵌入突起へガイドするガイド部とが設けられているコネクタ。 - 前記ブラケット部には、円形の孔部が形成され、前記嵌入突起は、前記雌端子ハウジング上の断面の円径が前記孔部の開口径と略同寸に設定されて前記雌端子ハウジングから凸曲面状に突出されている請求項1に記載のコネクタ。
- 前記ガイド部は、前記嵌合方向に沿って並行に延設された一対の鉤型のリブを備え、前記リブの間で挟持した状態で前記ブラケット部がガイドされる請求項1又は2に記載のコネクタ。
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JP2011034846A (ja) * | 2009-08-03 | 2011-02-17 | Yazaki Corp | コネクタ |
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JP2595736Y2 (ja) * | 1993-11-15 | 1999-06-02 | 日本エー・エム・ピー株式会社 | ダブルロック型電気コネクタ |
JP3057546B2 (ja) * | 1995-02-23 | 2000-06-26 | モレックス インコーポレーテッド | ガイド機構付きコネクタ組立 |
CN1088269C (zh) * | 1997-09-03 | 2002-07-24 | 鸿海精密工业股份有限公司 | 插槽连接器端子组件 |
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