WO2014171339A1 - 電子部品の組付構造及び電気接続箱 - Google Patents
電子部品の組付構造及び電気接続箱 Download PDFInfo
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- WO2014171339A1 WO2014171339A1 PCT/JP2014/059814 JP2014059814W WO2014171339A1 WO 2014171339 A1 WO2014171339 A1 WO 2014171339A1 JP 2014059814 W JP2014059814 W JP 2014059814W WO 2014171339 A1 WO2014171339 A1 WO 2014171339A1
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- Prior art keywords
- relay
- fitting
- terminal fitting
- terminal
- electronic component
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
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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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
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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
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
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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
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
- H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
- H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
Definitions
- the present invention relates to an electronic component, an electric wire terminal fitting, an electronic component assembly structure for assembling the housing members for accommodating these components, and an electrical junction box provided with the assembly structure.
- Patent Document 1 discloses a configuration of an electrical connection box (junction box) including a relay module in order to control connection between a power supply device and an electrical component.
- FIG. 19 is a longitudinal sectional view of a conventional relay module.
- FIG. 19 shows an example of a configuration of a conventional relay module.
- the relay 90 includes a relay body 91 formed in a rectangular parallelepiped shape, and projects straight from one surface (bottom surface) of the relay body 91. And a plurality of plate-like terminal portions (hereinafter referred to as relay terminals) 92.
- this type of relay 90 is assembled to a resin holding member 95 that holds a terminal fitting 94 to which an electric wire 93 is connected to form a relay module, and this relay module is assembled to an electrical junction box.
- FIG. 19 is basically a longitudinal sectional view of a conventional relay module, but only the relay body 91 is shown in a side view.
- the spring part 96 which fits the relay terminal 92 is formed in the terminal metal fitting 94, and the front-end
- the relay 90 is held by the holding member 95.
- the relay 90 tends to tilt until the relay terminal 92 is fitted with the spring part 96. Since the tilting direction of the relay 90 is not particularly restricted, the relay 90 may tilt in any of the front-rear, left-right, and diagonal directions.
- 20A and 20B are enlarged views showing a positional relationship between a relay terminal and a terminal fitting (a flat plate portion and a spring portion) in a conventional relay module.
- the relay terminal 92 when the relay 90 is tilted in the left direction in FIG. 19, the relay terminal 92 is in a state in which the tip end thereof faces the spring portion 96 as shown in FIG. 20A.
- the relay terminal 92 advances toward the spring portion 96 in this state, the relay terminal 92 is displaced from the proper insertion direction (downward in the vertical direction in the figure) with respect to the terminal fitting 94 as shown in FIG. 20B. There is a risk of hitting 96 and damaging the spring portion 96.
- the present invention has been made based on this, and a problem to be solved is to suppress damage to the spring portion of the terminal fitting in the electronic component module.
- the present invention includes an electronic component, a terminal fitting that is fitted to the electronic component, and a housing member that accommodates the electronic component and the terminal fitting.
- a terminal portion provided in the main body, and the storage member includes a first storage chamber that guides and stores the main body, and a second storage chamber that stores and holds the terminal fittings.
- a frame-shaped wall portion that rises from the bottom is surrounded by four sides, the second storage chamber is formed outside the wall portion, and the terminal portion is spaced apart from the side surface portion of the main body portion. It has a fitting part that hangs down along the side part and is fitted to the terminal fitting, and the terminal fitting has a spring part that presses the fitting part and holds the pressing direction of the spring part toward the wall part.
- the electronic component, the terminal fitting, and the housing member are assembled with each other.
- the inclination direction of the component can be regulated. That is, the inclination direction of the electronic component can be regulated so that the tip of the fitting portion of the terminal portion located on the inclined side faces the wall portion side.
- the spring part is positioned on the inner side (wall part side) of the fitting part on the inner side (wall part side) facing the spring part (the pressing part of the spring part) and on the outer side (opposite side of the wall part). Therefore, the tip of the fitting part inclined inward can be directed not to the spring part but to the flat plate part. Therefore, even when the fitting portion advances toward the terminal fitting in this state, the tip of the fitting collides with the flat plate portion, so that the terminal portion (fitting portion) is displaced from the proper insertion direction with the spring portion. You can prevent it from hitting.
- the second storage chamber can be configured such that an elastically deformable locking piece for holding the terminal fitting is provided on the side opposite to the wall portion with the terminal fitting interposed therebetween.
- the terminal fitting can be arranged close to the wall portion, and further, the spring portion of the terminal fitting can be positioned outside the flat plate portion, so that the fitting portion of the terminal portion and the side portion of the main body portion , And the electronic component can be miniaturized.
- FIG. 1 is a perspective view showing an entire configuration of a relay module in which a relay, a terminal fitting, and a housing member are assembled to each other.
- FIG. 2 is a plan view of the relay module shown in FIG. 1 (one of the two relays is not shown).
- FIG. 3A is a diagram showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is a diagram showing a state in which the relay is tilted when inserted into the housing member.
- 3B is a diagram showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is an enlarged diagram showing the positional relationship between the relay tab and the terminal fitting (flat plate portion and spring portion) in FIG. 3A. It is.
- FIG. 4A is a diagram showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is a diagram showing a state in which the relay is in an appropriate insertion posture with respect to the housing member.
- FIG. 4B is a view showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is a view showing a state after the relay is assembled to the housing member.
- FIG. 5 is a perspective view showing the configuration of the relay according to the present embodiment.
- FIG. 6 is a perspective view showing the configuration of the terminal fitting according to the present embodiment.
- FIG. 7 is a perspective view showing another configuration of the terminal fitting.
- FIG. 8 is a perspective view showing the configuration of the relay according to the first modification.
- FIG. 9 is a perspective view illustrating a configuration of a relay according to a second modification.
- FIG. 10 is a perspective view illustrating a configuration of a relay according to a third modification.
- FIG. 11 is a perspective view illustrating a configuration of a relay according to a fourth modification.
- FIG. 12 is a perspective view illustrating a configuration of a relay according to a fifth modification.
- FIG. 13 is a perspective view illustrating a configuration of a relay according to a sixth modification.
- FIG. 14 is a perspective view illustrating a configuration of a relay according to a seventh modification.
- FIG. 15 is a perspective view illustrating a configuration of a relay according to an eighth modification.
- FIG. 16 is a perspective view illustrating a configuration of a relay according to a ninth modification.
- FIG. 10 is a perspective view illustrating a configuration of a relay according to a third modification.
- FIG. 11 is a perspective view illustrating a configuration of a relay according to a
- FIG. 17 is a perspective view illustrating a configuration of a relay according to a tenth modification.
- FIG. 18A is a diagram illustrating a configuration of a relay according to an eleventh modification, and is a perspective view illustrating an overall configuration.
- FIG. 18B is a diagram showing a configuration of the relay according to the eleventh modification, and is a view seen from the direction of arrow A18 in FIG. 18A.
- FIG. 19 is a longitudinal sectional view of a conventional relay module.
- FIG. 20A is an enlarged view showing a positional relationship between a relay terminal and a terminal fitting (a flat plate portion and a spring portion) in a conventional relay module.
- FIG. 20B is an enlarged view showing a positional relationship between a relay terminal and a terminal fitting (a flat plate portion and a spring portion) in a conventional relay module.
- the electronic component is not limited to a relay, and other electronic components having the same configuration as the relay described below, for example, a fuse or a board. It is also possible to use modularized parts.
- the application of the relay module of the present embodiment is not particularly limited. For example, it can be assumed that the relay module is used for devices for controlling the connection state between a power supply device and an electrical component in a vehicle such as an automobile. This type of relay module only needs to be configured as one of the components of the electrical junction box, but can be handled as a single unit rather than as a component of the electrical junction box. Can be secured.
- FIG. 1 is an overall configuration diagram of a relay module 1 in which a relay 2, a terminal fitting 3, and a housing member 4 are assembled to each other.
- FIG. 2 is a plan view of the relay module 1 shown in FIG. 1 (one of the two relays 2 is not shown).
- 3 and 4 show a longitudinal section of the relay module 1 from the direction of the arrow A10 in FIG. 1, and
- FIG. 3A is a diagram showing a state in which the relay 2 is inclined when inserted into the housing member 4.
- 3B is an enlarged view showing the positional relationship between the terminal portion (tab) 22 of the relay 2 and the terminal fitting 3 (the flat plate portion 34 and the spring portion 35) in FIG. 3A.
- FIG. 4A is a diagram illustrating a state in which the relay 2 is in an appropriate insertion posture with respect to the housing member 4
- FIG. 4B is a diagram illustrating a state after the relay 2 is assembled to the housing member 4.
- the direction indicated by arrow A11 in FIG. 1 is referred to as the up-down direction
- the direction indicated by arrow A12 is referred to as the left-right direction
- the direction indicated by arrow A13 is referred to as the front-rear direction (hereinafter the same applies to each figure other than FIG. ).
- the upward direction in FIG. 1 is specified as upward (upper side)
- the downward direction is specified as downward (downward).
- these up-down directions, left-right directions, and front-rear directions do not necessarily coincide with the respective directions (for example, the up-down direction, left-right directions, and front-rear directions of the automobile) in a state where the relay module 1 is actually mounted.
- 3A, FIG. 4A, and FIG. 4B, various components housed in the relay body 21 are not shown.
- the relay module 1 is configured by assembling a relay 2, a terminal fitting 3 fitted to the relay 2, and a housing member 4 for housing the relay 2 and the terminal fitting 3.
- the relay 2 includes a rectangular parallelepiped body portion (hereinafter referred to as a relay body) 21 and terminal portions (hereinafter referred to as tabs) 22 (22a to 22d) provided on the relay body 21.
- a relay body rectangular parallelepiped body portion
- tabs 22 22a to 22d
- the number of relays configuring one relay module is not particularly limited, and may be configured by only one relay or may be configured by three or more relays.
- a relay module When a relay module is constituted by a plurality of relays, it may be constituted by the same type of relay 2 as shown in FIG. 1, or different types of relays (for example, a relay 2a as shown in FIGS. 8 to 18). 2k) may be mixed.
- FIG. 5 is a perspective view showing the configuration of the relay according to the present embodiment.
- FIG. 5 shows an example of the relay 2 according to the present embodiment.
- the relay 2 has a configuration in which a relay main body 21 is formed of resin or the like, and a conductive metal tab 22 is provided on the relay main body 21.
- the relay main body 21 includes a surface portion (hereinafter, referred to as an upper surface 21a and a bottom surface 21b) facing in the vertical direction, a surface portion (referred to as the left side surface 21c and the right side surface 21d) facing in the left-right direction, and a surface portion facing in the front-rear direction (the same).
- the front surface 21e and the back surface 21f The front surface 21e and the back surface 21f).
- the relay body 21 is positioned such that the left and right sides are the longitudinal direction and the four sides of the left side 21c and the right side 21d, the front 21e and the back 21f are side portions.
- the relay body 21 is formed in a rectangular parallelepiped shape as an example, but the relay body may be formed in a cubic shape.
- the tab 22 has a base end portion 24 (24a to 24d) protruding from the relay main body 21 and a fitting portion 25 (25a to 25d) to be fitted to the terminal fitting 3.
- the fitting portion 25 extends from the protruding tip of the base end portion 24 and hangs along the side surface portion with a gap from the side surface portion of the relay main body 21.
- the number, width, and thickness of the tabs 22 can be arbitrarily set. For example, when the relay 2 has a plurality of tabs 22, all the tabs 22 may have the same width and the same thickness, or the tabs 22 may have different widths and thicknesses.
- each tab 22 the protruding position and protruding length of the base end portion 24 from the relay main body 21, the height position of the extending tip of the fitting portion 25, the extension dimension from the base end portion 24, etc. It can be set arbitrarily and is not particularly limited.
- the fitting part 25 is extended from the protrusion front-end
- the relay 2 has four tabs 22 having a plate shape, and the two tabs 22 a and 22 b are arranged on the left side surface 21 c of the relay main body 21, and the rest Two tabs 22c and 22d are arranged on the right side surface 21d.
- all of the four base end portions 24a to 24d protrude from the same height (the dimension from the bottom surface 21b in the vertical direction is the same position) with the same length (the dimension in the horizontal direction).
- the four fitting portions 25a to 25d are extended from the projecting tips of the base end portions 24a to 24d with the same dimensions at substantially right angles and downwards, and the positions of the extending tips of the fitting portions 25a to 25d are the same height. It is aligned.
- FIG. 6 is a perspective view showing the configuration of the terminal fitting according to the present embodiment.
- the terminal fitting 3 is an interface member connected to the terminal portion 51 of the electric wire 5 in order to electrically connect the electric wire 5 to the relay 2.
- the terminal fitting 3 is formed by processing a conductive metal plate material, and peels off the female connection portion 31 into which the fitting portion 25 of the tab 22 is fitted and the insulating coating 52 of the terminal portion 51 of the electric wire 5.
- a pair of core wire crimping pieces 32 for caulking the exposed core wire 53 and a pair of external crimping pieces 33 for caulking the distal end portion of the insulating coating 52 of the electric wire 5 are provided.
- the connection portion 31 includes a flat plate portion 34 that supports the fitting portion 25 of the tab 22 to be fitted, and a spring portion 35 that presses the fitting portion 25.
- the fitting portion 25 that is pressed to be fitted is fitted between the flat plate portion 34 and the spring portion 35.
- the spring portion 35 is formed in a pair of convex curved shapes in which both ends in the front-rear direction of the flat plate portion 34 are erected and the tip portion thereof is curved toward the vicinity of the central portion in the front-rear direction of the flat plate portion 34. .
- the spring portion 35 is elastically deformed in a direction away from the flat plate portion 34 to apply a pressing force (elastic restoring force) to the fitting portion 25 to fit the fitting portion 25.
- the configuration is compatible.
- the spring part 35 has an inclined part 35a for guiding the fitting part 25, and the inclined part 35a is directed from the outside to the inside (to be described later) in the fitting direction of the fitting part 25 (downward in the vertical direction).
- the housing member 4 is formed to be inclined (from the frame portion 45 side to the wall portion 44 side).
- an inclined portion 35 a is formed by inclining the upper end surface of the spring portion 35 so that the spring portion 35 gently descends toward the flat plate portion 34 from the portion that protrudes most with respect to the flat plate portion 34. Yes. Accordingly, the inclined portion 35a can guide the fitting portion 25 to the space between the flat plate portion 34 and the spring portion 35 when the fitting portion 25 of the tab 22 is fitted to the connection portion 31. It has become.
- FIG. 6 shows an example of a terminal fitting 3 of a type in which the connecting portion 31 is a so-called faston type.
- the terminal fitting 3 is not limited to this type.
- the connecting portion 310 has a substantially cylindrical configuration, a flat spring portion is provided inside the cylindrical portion 360, and the fitting portion 25 of the tab 22 is connected to the cylindrical portion 360 by the spring portion. It may be configured such that the inner wall can be pressed and fitted.
- FIG. 7 is a perspective view showing another configuration of the terminal fitting.
- the spring part of the terminal fitting 300 is formed so that the pressing direction of the fitting part 25 is directed toward the wall part 44 of the housing member 4.
- 6 and 7 show an example in which the terminal fittings 3 and 300 are connected to the terminal portion 51 of the electric wire 5, but the terminal fittings 3 and 300 are connected to a connection board, a connector, or the like. It is also possible to adopt a configuration in which
- the housing member 4 is a resin housing for housing and holding the relay 2 and the terminal fitting 3, and houses and holds the first housing chamber 41 for guiding and housing the relay body 21 and the terminal fitting 3.
- the second storage chamber 42 is provided.
- the housing member 4 is handled as a single member separate from the electrical junction box. For this reason, in order to attach the housing member 4 to the frame body of the electrical connection box, a locking portion 40 that can be engaged with a locked portion (for example, a locking groove) provided on the frame body projects. It is installed. By engaging the locking portion 40 with the locked portion, the housing member 4 can be locked and attached to the frame of the electrical junction box.
- a locked portion for example, a locking groove
- the housing member 4 is also possible to form the housing member 4 as a part of the frame of the electrical junction box and handle it integrally with the electrical junction box so as not to be separated.
- the number of the relays 2 and the terminal fittings 3 which the accommodating member 4 accommodates is not specifically limited.
- the structure by which the two relays 2 are accommodated in the one accommodating member 4 is assumed as an example.
- the storage member 4 has a configuration including two sets of relay storage spaces including one first storage chamber 41 and two second storage chambers 42. Since the relay 2 is provided with four tabs 22, the eight terminal fittings 3 are accommodated in one accommodating member 4.
- each of these tabs 22 is provided on each of the left side surface 21c and the right side surface 21d of the relay main body 21, a pair of second storage chambers 42 are provided in the storage member 4 with the first storage chamber 41 interposed therebetween. Two terminal fittings 3 are housed and held in each second housing chamber 42 in an opposing manner.
- each terminal fitting 3 includes a side portion (left side surface 21c) of the relay main body 21 in which the connection portion 31 for fitting the fitting portion 25 of the tab 22 is accommodated in the first accommodation chamber 41 in the second accommodation chamber 42. And the right side surface 21d) is held at a height position (the same height as each other) opposite to the wall portion 44.
- the upper end surface of the wall portion 44 is positioned above the frame portion 45 so that the base end portion 24 of the tab 22 does not come into contact with the fitting portion 25 of the tab 22 and the connection portion 31 of the terminal fitting 3.
- the bottom 43 is positioned at a predetermined height below the end surface, and the bottom 43 is positioned at a predetermined height that does not contact the bottom surface 21b of the relay body 21.
- the relay 2 is arranged in the height direction of the housing member 4 except for the portion where the fitting portion 25 of the tab 22 and the connection portion 31 of the terminal fitting 3 are fitted, and the upper end surface of the bottom portion 43 and the wall portion 44. Since it is hold
- the first storage chamber 41 is surrounded by a frame-like wall portion 44 that rises from the bottom 43, and forms a concave space whose upper side is open to the outside.
- the wall portion 44 is erected from the bottom portion 43 so as to surround the side surface portion from four sides along the side surface portions (the left side surface 21c, the right side surface 21d, the front surface 21e, and the back surface 21f) of the relay main body 21.
- the first storage chamber 41 is guided and stored.
- the first storage chamber 41 is formed in a substantially rectangular parallelepiped shape that is slightly larger than the relay main body 21 so that the relay main body 21 guided by the wall portion 44 can be smoothly stored.
- a locking groove 44a for engaging the protrusion 23 provided on the front surface 21e is formed on the wall portion 44 that is erected so as to be able to face the front surface 21e of the relay body 21. ing.
- the protrusion 23 is engaged with the engaging groove 44 a, and the relay main body 21 can be engaged with the first accommodating chamber 41. That is, the engagement force between the relay 2 and the housing member 4 due to the fitting between the tab 22 and the terminal fitting 3 can be complemented by the engagement between the protrusion 23 and the locking groove 44a. If complementation is unnecessary, the protrusion 23 and the locking groove 44a may not be provided.
- the bottom 43 may be provided with reinforcing ribs 43a that protrude downward.
- the second storage chamber 42 is formed outside the first storage chamber 41 with the wall portion 44 interposed therebetween, and is surrounded by a rectangular tube-shaped frame formed by the wall portion 44 and the frame portion 45 of the storage member 4. And the lower part has comprised the rectangular parallelepiped space open
- an elastically deformable locking piece (hereinafter referred to as a lance) 46 that holds the terminal fitting 3 is located on the side opposite to the wall 44 (the frame portion 45 side) across the terminal fitting 3. Is provided.
- the lance 46 is made of the same resin as the housing member 4, and extends in a cantilevered manner from the frame portion 45 toward the terminal fitting 3, specifically, the spring portion 35. That is, the lance 46 forms a so-called spring mechanism, and presses and holds the lower edge of the spring portion 35 with a restoring force to return from the elastic deformation, so that the terminal fitting 3 from the second storage chamber 42 is locked.
- the terminal fitting 3 is held in the second storage chamber 42 while preventing the removal. As shown in FIG. 3A and FIGS. 4A and 4B, each terminal fitting 3 is held with the pressing direction of the spring portion 35 directed toward the wall portion 44.
- the relay 2 is assembled to the housing member 4 in a state where the terminal fitting 3 is held in the second housing chamber 42.
- the terminal The tab 22 can be directed in an appropriate insertion direction with respect to the metal fitting 3 (downward in the vertical direction in FIG. 4A). For this reason, the tab 22 does not advance toward the terminal fitting 3 with its extended tip directed toward the spring portion 35 (see FIG. 20A), and the spring portion 35 with the tab 22 displaced from the proper insertion direction. (See FIG. 20B).
- the extended tip of the fitting portion 25 deviates from the proper insertion direction and hits the spring portion 35 (FIG. 20B). Can be prevented.
- the tab 22 has a configuration in which the fitting portion 25 hangs along the side surface portion with a gap from the side surface portion of the relay main body 21. Since the relay main body 21 is inserted into the first storage chamber 41 prior to the connection, when the relay 2 is tilted, the relay main body 21 comes into contact with the wall portion 44 and the tilt direction of the relay 2 can be restricted. it can. That is, the inclination direction of the relay 2 is regulated so that the extending tip of the fitting portion 25 of the tab 22 located on the inclined side faces the wall portion 44 side of the housing member 4. For example, when the relay 2 is tilted as shown in FIG.
- the fitting portion 25c of the tab 22c located on the tilted side is tilted to the outside (the frame portion 45 side of the housing member 4), and the extending tip is inside. It faces (on the wall 44 side of the housing member 4).
- the terminal fitting 3 is held with the pressing direction of the spring portion 35 directed toward the wall portion 44, the proper fitting position of the fitting portion 25 c (the gap between the flat plate portion 34 and the spring portion 35).
- the spring portion 35 can be positioned on the outer side (the frame portion 45 side), and the flat plate portion 34 can be positioned on the inner side (the wall portion 44 side). Therefore, as shown in FIG.
- the extending tip of the fitting portion 25c inclined inward can be directed not to the spring portion 35 but to the flat plate portion 34, so that the fitting portion 25c advances in this state. Even if it exists, the extended front-end
- the relay main body 21 is inserted into the first storage chamber 41, and the inserted relay main body 21 is guided along the wall portion 44. As shown in FIG. 4A, the proper insertion posture with respect to the housing member 4 can be obtained, and the tab 22 c can be redirected in the proper insertion direction with respect to the terminal fitting 3.
- the tab 22 hits the spring portion 35 in a state of being deviated from an appropriate insertion direction ( 20B) can be prevented, and damage such as deformation can be suppressed from occurring in the spring portion 35.
- the extension tip of the fitting portion 25a of the tab 22a located on the side opposite to the tilted side is not the flat plate portion 34 (inside) but the spring portion 35. It will be in the state facing (outside).
- the fitting portion 25 a is connected to the terminal fitting 3.
- the tab 22a can be oriented in the proper insertion direction. Therefore, not only the tab 22c but also the tab 22a can be prevented from colliding with the spring portion 35 (see FIG.
- the relay 2 in a state where the extending tip of the fitting portion 25a is deviated from the proper insertion direction. Can be suppressed. Even when the relay 2 is tilted to the opposite side of FIG. 3A, the movement of the tab 22a and the tab 22c only replaces the above-described mode, and the fitting portions 25a and 25c similarly hit the spring portion 35. Can be prevented, and damage to the spring portion 35 can be suppressed. Further, the movement of the tabs 22b and 22d when the relay 2 is assembled to the housing member 4 is the same as that of the tabs 22a and 22c described above, and there is no difference in operational effects. According to the present embodiment, the relay 2 can be assembled to the housing member 4 while preventing the spring portion 35 from being damaged in this manner (state shown in FIG. 4B).
- the terminal fitting 3 and the wall are provided.
- the space between the portions 44 can be reduced.
- the terminal fitting 3 can be disposed close to the wall portion 44, and further, the spring portion 35 of the terminal fitting 3 can be positioned outside (the frame portion 45 side) from the flat plate portion 34.
- the fitting portion 25 can be fitted to the terminal fitting 3 in the vicinity of the side surface portion of the relay main body 21. For this reason, the protrusion length from the side part of the relay main body 21 of the base end part 24 can be shortened, and the space
- the relay 2 can be reduced in size, and as a result, the cost of the relay module 1 can be reduced by reducing the size and weight and reducing the material.
- the protruding length of the base end portion 24 can be shortened on both sides in the left-right direction, the size of the relay 2 in the left-right direction can be minimized and the relay 2 can be downsized. .
- FIGS. 8 to 17 are perspective views showing the configuration of the relay according to the first to tenth modifications, respectively, and FIGS. 18A and 18B are perspective views showing the configuration of the relay according to the eleventh modification. .
- the terminal metal fitting 3 and the accommodating member 4 respond
- the storage chamber 42 is arranged on the storage member 4, that is, the position of the second storage chamber 42 with respect to the first storage chamber 41 is set, and the terminal fitting 3 is held with the pressing direction of the spring portion 35 directed toward the wall portion 44.
- the configuration may be as follows.
- the number, width, and thickness of the tabs 22 can be arbitrarily set, the protruding position and protruding length of the base end portion 24, and the height of the extending tip of the fitting portion 25.
- a position, the extension dimension from the base end part 24, etc. can be set arbitrarily. For example, these settings may be the same for all the tabs 22 in each modification, or may be different for each tab 22.
- the base end portion 24 of the tab 22 protrudes from a pair of side surface portions (the left side surface 21c and the right side surface 21d) positioned in the longitudinal direction (left and right direction) of the relay body 21.
- the base end portion 24 may protrude from only one side surface portion, two adjacent side surface portions, or more side surface portions.
- FIG. 8 and 9 show configurations of a first modification and a second modification in which the base end portion 24 of the tab 22 is protruded from only one side surface portion (front surface 21e) of the relay main body 21.
- FIG. 8 In the relay 2a according to the first modification shown in FIG. 8, among the four tabs 22, the base end portions 24 of the two tabs 22 protrude from the vicinity of the upper end portion of the front surface 21e, and the remaining portions from the lower side than these are projected. The base ends 24 of the two tabs 22 are projected.
- the base end portions 24 of the four tabs 22 are protruded from the same height near the upper end portion of the front surface 21e.
- FIG. 10 and 11 show a third modification and a fourth modification in which the base end portion 24 of the tab 22 protrudes from two adjacent side surfaces (the front surface 21e and the right surface 21d) of the relay body 21.
- the configuration is shown.
- the base end portions 24 of the three tabs 22 protrude from the vicinity of the upper end portion of the front surface 21e, and the remaining heights from the same height as these are left.
- the base end portion 24 of one tab 22 protrudes from the right side surface 21d.
- the base end portions 24 of the two tabs 22 out of the four tabs 22 protrude from the vicinity of the upper end portion of the front surface 21e, and the same height as these. Further, the base end portions 24 of the remaining two tabs 22 are projected from the right side surface 21d.
- FIG. 12 shows a configuration of a fifth modification in which the base end portion 24 of the tab 22 is protruded from the three side portions (the left side surface 21c, the front surface 21e, and the right side surface 21d) of the relay main body 21.
- the relay 2e according to the fifth modification one of the four tabs 22 protrudes from the left side surface 21c, two from the front surface 21e, and one from the right side surface 21d.
- the fitting portions 25 of the four tabs 22 bend substantially perpendicularly and downward from the protruding tip of the base end portion 24, and the base The end portions 24 are extended so as to be parallel to the protruded side surface portions. In that case, these fitting parts 25 are extended from the base end part 24 by the same dimension so that the position (height) with respect to the up-down direction of the extension front-end
- the base end portion 24 of the tab 22 protrudes from the side surface portion of the relay main body 21, and the base end portion 24 is shown in FIGS.
- the relay main body 21 may protrude from the upper surface 21a.
- the base end portions 24 of the four tabs 22 protrude from the upper surface 21a and extend so as to bend and extend substantially at right angles to the side surface side.
- the fitting portion 25 of each tab 22 is bent at a substantially right angle and downward from the base end portion 24, and the base end of the extended tip is the same size so that the position (height) in the vertical direction is the same. It extends from the part 24.
- the fitting portions 25 of the four tabs 22 are extended from the base end portion 24 so as to be parallel to the front surface 21e.
- two of the fitting portions 25 of the four tabs 22 are the front surface 21e, and the fitting portions 25 of the remaining two tabs 22 are the right side surface 21d. It extends from the base end part 24 so that it may become parallel.
- the relay 2j according to the tenth modification shown in FIG. 17 among the fitting portions 25 of the four tabs 22, one is the left side surface 21c, two are the front surface 21e, and the remaining one is the right side surface 21d. And extend from the base end 24 so as to be parallel to each other.
- FIGS. 5 and 8 to 17 the base end portion 24 is completely exposed from the relay main body 21, but the base end portion 24 is at least partially surrounded by resin.
- 18A and 18B show a relay configuration in which the entire base end portion 24 is surrounded by a resin.
- this relay configuration will be described as an eleventh modification.
- FIG. 18A is a diagram illustrating a configuration of a relay according to an eleventh modification, and is a perspective view illustrating an overall configuration.
- FIG. 18B is a diagram showing a configuration of the relay according to the eleventh modification, and is a view seen from the direction of arrow A18 in FIG. 18A.
- the 18A and 18B has a flat plate-like insulating member 26 attached along one surface of the relay body 21 (corresponding to the upper surface 21a shown in FIG. 5 and the like).
- the insulating member 26 is formed in a substantially rectangular shape in plan view by molding an insulating resin or the like.
- the insulating member 26 extends in a direction orthogonal to the left side surface 21 c and the right side surface 21 d facing the tabs 22, and is formed so as to surround the base end portions 24 of these tabs 22.
- the base end portion 24 is surrounded by the insulating member 26 in the axial direction, and the fitting portion 25 is provided so as to protrude from the lower surface of the insulating member 26.
- a protrusion 27 is formed in a stepped shape. The protrusion 27 comes into contact with the upper end surface of the wall 44 when the relay 2 k is assembled to the housing member 4.
- the base end portion 24 of the tab 22 can be supported by the insulating member 26 from above.
- the load applied to the tabs 22 can be greatly reduced, so that the deformation of the tabs 22 can be prevented.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connection Or Junction Boxes (AREA)
- Mounting Components In General For Electric Apparatus (AREA)
Abstract
Description
3 端子金具
4 収容部材
21 本体部(リレー本体)
22 端子部(タブ)
25 嵌合部
35 バネ部
41 第1収容室
42 第2収容室
43 底部
44 壁部
Claims (3)
- 電子部品と、
前記電子部品と嵌合する端子金具と、
前記電子部品及び前記端子金具を収容する収容部材と、を具備し、
前記電子部品は、直方体状の本体部と、前記本体部に設けられる端子部を備え、
前記収容部材は、前記本体部を案内して収容する第1収容室と、前記端子金具を収容して保持する第2収容室を備え、前記第1収容室は、底部から立ち上がる枠状の壁部に四方を囲まれて形成され、前記第2収容室は、前記壁部を挟んだ外側に形成されてなり、
前記端子部は、前記本体部の側面部と間隔を空けて該側面部に沿って垂下して前記端子金具と嵌合される嵌合部を有し、
前記端子金具は、前記嵌合部を押圧するバネ部を有し、前記バネ部の押圧方向を前記壁部へ向けて保持され、
前記電子部品と、前記端子金具と、前記収容部材とが相互に組み付けられる
ことを特徴とする電子部品の組付構造。 - 前記第2収容室には、前記端子金具を保持する弾性撓み変形可能な係止片が前記端子金具を挟んで前記壁部と反対側に設けられていることを特徴とする請求項1に記載の電子部品の組付構造。
- 請求項1又は2に記載の電子部品の組付構造を備えてなることを特徴とする電気接続箱。
Priority Applications (3)
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DE112014001976.3T DE112014001976T5 (de) | 2013-04-15 | 2014-04-03 | Elektronikkomponenten-Montagestruktur und elektrische Verteilerdose |
CN201480020994.1A CN105165132B (zh) | 2013-04-15 | 2014-04-03 | 电子元件的装配构造及电气接线箱 |
US14/867,592 US9378912B2 (en) | 2013-04-15 | 2015-09-28 | Electronic component assembly structure and electrical junction box |
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JP2013084828A JP6138560B2 (ja) | 2013-04-15 | 2013-04-15 | 電子部品の組付構造及び電気接続箱 |
JP2013-084828 | 2013-04-15 |
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US14/867,592 Continuation US9378912B2 (en) | 2013-04-15 | 2015-09-28 | Electronic component assembly structure and electrical junction box |
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JP (1) | JP6138560B2 (ja) |
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WO2014142246A1 (ja) * | 2013-03-14 | 2014-09-18 | 矢崎総業株式会社 | 電子部品の組付構造及び電気接続箱 |
WO2015029990A1 (ja) * | 2013-08-30 | 2015-03-05 | 矢崎総業株式会社 | 電子部品と端子金具との接続構造 |
JP6404258B2 (ja) | 2016-04-26 | 2018-10-10 | 矢崎総業株式会社 | 電気接続箱及びワイヤハーネス |
JP6862244B2 (ja) * | 2017-03-30 | 2021-04-21 | 株式会社東芝 | 制御箱、および制御箱の組み立て方法 |
JP6919599B2 (ja) * | 2018-03-05 | 2021-08-18 | 住友電装株式会社 | 電気接続箱 |
JP6661686B2 (ja) * | 2018-03-16 | 2020-03-11 | 矢崎総業株式会社 | 電気接続箱 |
JP7147278B2 (ja) * | 2018-06-05 | 2022-10-05 | Tdk株式会社 | 電子部品 |
JP7118562B2 (ja) * | 2019-07-19 | 2022-08-16 | 矢崎総業株式会社 | 電気接続箱 |
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2013
- 2013-04-15 JP JP2013084828A patent/JP6138560B2/ja active Active
-
2014
- 2014-04-03 CN CN201480020994.1A patent/CN105165132B/zh active Active
- 2014-04-03 WO PCT/JP2014/059814 patent/WO2014171339A1/ja active Application Filing
- 2014-04-03 DE DE112014001976.3T patent/DE112014001976T5/de active Pending
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JP2014207363A (ja) | 2014-10-30 |
US20160020049A1 (en) | 2016-01-21 |
JP6138560B2 (ja) | 2017-05-31 |
US9378912B2 (en) | 2016-06-28 |
DE112014001976T5 (de) | 2016-01-07 |
CN105165132A (zh) | 2015-12-16 |
CN105165132B (zh) | 2017-11-28 |
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