CN104868415B - Electric circuit connection container - Google Patents

Electric circuit connection container Download PDF

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Publication number
CN104868415B
CN104868415B CN201510085078.2A CN201510085078A CN104868415B CN 104868415 B CN104868415 B CN 104868415B CN 201510085078 A CN201510085078 A CN 201510085078A CN 104868415 B CN104868415 B CN 104868415B
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CN
China
Prior art keywords
metal piece
pair
terminal metal
framework
fuse
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CN201510085078.2A
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Chinese (zh)
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CN104868415A (en
Inventor
后藤裕朗
后藤裕一朗
牧野匡宏
佐滕润
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Yazaki Corp
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Yazaki Corp
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Abstract

The present invention provides a kind of electric circuit connection container, even if using in high temperature environments, it is also possible to keep the connection status of electronic unit and terminal metal piece well.With framework (2), the framework (2) is provided with electric circuit connection container (1):Fuse installation portion (21), it installs fuse (6);Terminal metal piece installation portion (24), it installs the terminal metal piece (4) with fuse (6) electrical connection.It is provided with the inner surface of terminal metal piece installation portion:A pair of opposed faces (25), it is extended parallel to one another;And a pair of angled face (26), it extends from a pair of opposed faces (25) to the lower face side of framework (2) and is inclined to direction disconnected from each other with being advanced from the upper surface side of framework (2) to lower face side respectively.A part for the fitting portion (43) of terminal metal piece (4) is positioned between a pair of opposed faces (25), and the remainder of fitting portion (43) is positioned between inclined plane (26).

Description

Electric circuit connection container
Technical field
The present invention relates to a kind of electric circuit connection container for being mounted on automobile and being substantially carried out power distribution.
Background technology
There is the electric circuit connection container being mounted on automobile of various constructions, for example, in the presence of electrically connecing as shown in Fig. 9,10 The electric circuit connection container of the such construction of line case 301, it has plastic framework 302, and the framework 302 is provided with fuse Installation portion 321, terminal metal piece installation portion 324 and busbar installation portion 323 (with reference to patent document 1).
The fuse installation portion 321 is the part for installing fuse 6, is arranged on the upper surface side of framework 302.The fusing Device installation portion 321 is provided with multiple along a direction.The fuse 6 has a pair of end sub-portion 62a, 62b.
The terminal metal piece installation portion 324 is to install the terminal gold being electrically connected with a portion of terminal 62a of fuse 6 Belong to the part of part 4.The terminal metal piece installation portion 324 is accordingly provided with multiple with multiple fuse installation portions 321.Each end Sub- metalwork installation portion 324 is arranged on the lower section of corresponding fuse installation portion 321.The terminal metal piece 4 has:It is chimeric Portion 43, it is chimeric with a portion of terminal 62a of fuse 6;And wired portion 40, it is connected with electric wire (not shown).In addition, A pair of the opposed faces 325 for extending parallel to one another, terminal metal piece are provided with the inner surface of terminal metal piece installation portion 324 4 substantially integral are located between this pair of opposed faces 325.
The busbar installation portion 323 is the part for installing busbar 3, is arranged under multiple fuse installation portions 312 Side.The busbar 3 has the tuning fork-like connecting portion 33 that multiple inserts another portion of terminal 62b of fuse 6.These are multiple Tuning fork-like connecting portion 33 along multiple fuse installation portions 321 and column direction arrange.In addition, on busbar installation portion 323 Multiple baffle walls 329 are provided with, the plurality of baffle wall 329 is located between adjacent tuning fork-like connecting portion 33 and forms each tuning fork-like The receiving portion 323a of connecting portion 33.
The electric circuit connection container 301 is assembled as follows:Terminal metal piece 4 is arranged on from the lower face side of framework 302 Terminal metal piece installation portion 324, busbar installation portion 323 is arranged on by busbar 3 from the lower face side of framework 302, will be fused Device 6 is arranged on fuse installation portion 321 from the upper surface side of framework 302.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2013-255346 publications
The content of the invention
The present invention technical problem to be solved
As shown in Fig. 9 (a) and Figure 10 (a), the electric circuit connection container 301 is designed to:By the portion of terminal 62b of fuse 6 The tuning fork-like connecting portion 33 of busbar 3 is inserted straight into, also, the portion of terminal 62a of fuse 6 is fitted to terminal as the crow flies The fitting portion 43 of metalwork 4.
However, in high temperature environments using in the case of electric circuit connection container 301, busbar 3 is because of the expansion of framework 302 sometimes And misplace, the fuse 6 for being inserted into the busbar 3 is inclined as shown in Fig. 9 (b) and Figure 10 (b).So incline in fuse 6 In the case of tiltedly, may there is a problem of as follows:The contact area of portion of terminal 62a and terminal metal piece 4 reduces and this is contacted The impedance value at position rises, or fuse 6 is reduced with the connection reliability of terminal metal piece 4.
Additionally, in the case of fuse as described above 6 is inclined, if terminal metal piece 4 is also followed fuse 6 and is inclined Tiltedly, then because fuse 6 will not change with the relative position relation of terminal metal piece 4, so, although contact surface will not be produced Product reduces or connection reliability reduction, but, it is positioned in the pair of opposed faces because terminal metal piece 4 is substantially integral Between 325, so, although allow somewhat to conjugate, but, without the inclined degree that can completely follow fuse 6 from By spending.
Therefore, it is an object of the invention to provide a kind of electric circuit connection container, even if in high temperature environments in the case of use, Also the connection status of electronic unit and terminal metal piece can well be kept.
Technical teaching for solving the problem was
Invention described in technical scheme 1 is a kind of electric circuit connection container, and it has framework, and the framework is provided with:The ministry of electronics industry Part installation portion, it installs electronic unit;And terminal metal piece installation portion, it installs the terminal being electrically connected with the electronic unit Metalwork, the electronic unit is installed to the electronic unit installation portion from the side of the framework, the terminal metal piece from The opposite side of the framework is installed to the terminal metal piece installation portion, and the electric circuit connection container is characterised by, the terminal Metalwork has:Fitting portion, it is chimeric with the portion of terminal of the electronic unit;And wired portion, in the terminal metal piece It is provided with the inner surface of installation portion:A pair of opposed faces, it is extended parallel to one another;And a pair of angled face, its respectively from this one The opposed opposite side towards the framework is extended and is divided to mutual with being advanced from a lateral opposite side of the framework From direction incline, a part for the fitting portion is positioned between the pair of opposed faces, its remaining part of the fitting portion Divide and be positioned between the inclined plane.
Invention described in technical scheme 2 is, in the invention described in technical scheme 1, in the terminal metal piece installation portion Inner surface on be provided with a pair of guiding inclined planes, the pair of guiding inclined plane is inclined towards institute from the pair of respectively The opposite side for stating framework extends and is inclined to direction disconnected from each other with being advanced from a lateral opposite side of the framework.
Invention described in technical scheme 3 is, in the invention described in technical scheme 1 or 2, the pair of inclined plane relative to The angle of inclination of the pair of opposed faces is less than 10 degree.
Invention effect
Invention according to technical scheme 1,3, is provided with the inner surface of the terminal metal piece installation portion:A pair Opposed faces, it is extended parallel to one another;And a pair of angled face, it prolongs from this pair opposed opposite sides towards the framework respectively Stretch and inclined to direction disconnected from each other, one of the fitting portion with being advanced from a lateral opposite side of the framework Divide and be positioned between the pair of opposed faces, the remainder of the fitting portion is positioned between the inclined plane, therefore, When electric circuit connection container is assembled, terminal metal piece can be positioned at normal position using a pair of opposed faces, also, using electricity During gas junction box, in the case of electronic unit is inclined, the electronic unit can be followed and inclined.Therefore, it is possible to provide one kind Electric circuit connection container, even if in high temperature environments in the case of use, it is also possible to keep well between electronic unit and metal terminal Connection status.
Invention according to technical scheme 2, due to being provided with one on the inner surface of the terminal metal piece installation portion To guiding inclined plane, the pair of guiding inclined plane extends from the pair of opposite side inclined towards the framework respectively And inclined to direction disconnected from each other with being advanced from a lateral opposite side of the framework, therefore, electrically connect in assembling During line case, terminal metal piece can be freely insertable into terminal metal piece installation portion.
Brief description of the drawings
Fig. 1 is the exploded view of the electric circuit connection container of one embodiment of the present invention.
Fig. 2 is the stereogram of the terminal metal piece shown in Fig. 1.
Fig. 3 is the stereogram that the terminal metal piece shown in Fig. 2 is observed from other angles.
Fig. 4 is the explanatory diagram of the terminal metal piece installation portion of the framework shown in Fig. 1.
Fig. 5 is the explanatory diagram of the terminal metal piece installation portion shown in explanatory diagram 4 and the position relationship of terminal metal piece.
Fig. 6 is the sectional view of the state for showing to be provided with framework fuse and busbar shown in Fig. 1, and (a) is to show Go out busbar be located in normal position and fuse be inserted in as the crow flies busbar state figure, (b) is to show to conflux Bar misplace and be inserted in busbar the inclined state of fuse figure.
Fig. 7 is the sectional view of the state for showing to be provided with framework fuse and terminal metal piece shown in Fig. 1, (a) It is to show that fuse is inserted in the figure of the state of terminal metal piece as the crow flies, (b) is to show to be embedded in the fusing of terminal metal piece Device is inclined and terminal metal piece also follows fuse and the figure of inclined state.
Fig. 8 is the stereogram of the terminal metal piece that can be used in the present invention.
Fig. 9 is the sectional view of existing electric circuit connection container, and (a) is to show that busbar is located in normal position and fuse Be inserted in the figure of the state of busbar as the crow flies, (b) be busbar dislocation is shown and be inserted in busbar fuse it is inclined The figure of state.
Figure 10 is the sectional view of the existing electric circuit connection container shown in Fig. 9, and (a) is to show that fuse is embedded in end as the crow flies The figure of the state of sub- metalwork, (b) is the figure for showing the inclined state of the fuse for being embedded in terminal metal piece.
Description of reference numerals
1 electric circuit connection container
2 frameworks
4 terminal metal pieces
6 fuses (electronic unit)
21 fuse installation portions (electronic unit installation portion)
24 terminal metal piece installation portions
25 opposed faces
26 inclined planes
27 guiding inclined planes
40 wired portions
43 fitting portions
62a portion of terminal
Specific embodiment
Reference picture 1~7 illustrates " electric circuit connection container " of one embodiment of the present invention.Electric circuit connection container 1 shown in Fig. 1 is It is mounted on automobile and is substantially carried out the electric circuit connection container of power distribution.
The electric circuit connection container 1 includes:Plastic framework 2;Multiple parts, it is installed on the frame 2;And synthesis tree The upper lid of fat, its upper surface side for being arranged on framework 2.In addition, it is fuse, relay to install multiple parts on the frame 2 The electronic units such as device, electric wire, busbar etc..
Reference 6 in Fig. 1 is fuse (equivalent to " electronic unit " in claim).The fuse 6 has: Housing 61;A pair of end sub-portion 62a, 62b, it is exposed to outside housing 61;And fusable links, it is accommodated in housing 61.In Fig. 1 Reference 5 is electric wire, and reference 4 is mounted in the end of electric wire 5 and the terminal metal piece being connected with fuse 6.In Fig. 1 Reference 3 be the busbar being connected with multiple fuses 6.
As shown in Figure 2,3, the terminal metal piece 4 has:Fitting portion 43, it is embedding with a portion of terminal 62a of fuse 6 Close;And wired portion 40, it is connected with electric wire 5.Fitting portion 43 has:A pair of spring leafs 45, be positioned at for portion of terminal 62a by it Between a pair of spring leafs 45;And plate portion 44, it is along a pair of spring leafs 45.Wired portion 40 has:A pair of heart yearn crimping Piece 41, the heart yearn 51 of its crimped electric wire 5;And skin compressing piece 42 is covered in a pair of insulation, the part of skin 52 is covered in the insulation of its crimped electric wire 5.
The busbar 3 has:Flat base portion 30;Electrical power source connection 31,32, its side side long for being arranged on base portion 30 To two ends;And multiple tuning fork-like connecting portions 33, it is prominent to same direction from a side long of base portion 30.In electrical power source connection 31st, 32 it is connected with power line via connector etc..Another portion of terminal 62b of fuse 6 is inserted into tuning fork-like connecting portion 33.
Surface is provided with multiple electronic unit installation portions to the framework 2 thereon, and its lower surface is provided with multiple terminals Metalwork installation portion and busbar installation portion.Reference 21 in Fig. 1 is the fuse installation portion (phase for being provided with fuse 6 When in " the electronic unit installation portion " of claim).The fuse installation portion 21 is provided with multiple along a direction.Accompanying drawing mark Note 22 is the relay installation portion for being provided with relay.Reference 24 is the terminal for being provided with the end for being installed in electric wire 5 The terminal metal piece installation portion of metalwork 4.The terminal metal piece installation portion 24 accordingly sets with multiple fuse installation portions 21 It is equipped with multiple.Each terminal metal piece installation portion 24 is arranged on the lower section of corresponding fuse installation portion 21.Reference 23 is The busbar installation portion of busbar 3 is installed.Busbar installation portion 23 is arranged on the lower section of multiple fuse installation portions 21.Separately Outward, fuse 6 is installed to fuse installation portion 21, lower face side of the terminal metal piece 4 from framework 2 from the upper surface side of framework 2 Terminal metal piece installation portion 24 is installed to, busbar 3 is installed to busbar installation portion 23 from the lower face side of framework 2.
As shown in figure 4, the inner surface setting in the terminal metal piece installation portion 24 has:A pair of opposed faces 25, its is mutual Extend parallel to;A pair of angled face 26, its respectively from a pair of opposed faces 25 to the lower face side of framework 2 extend and with from The upper surface side of framework 2 is advanced to lower face side and is inclined to direction disconnected from each other;And a pair of guiding inclined planes 27, its point Extend and advanced with from the upper surface side of framework 2 to lower face side to the lower face side of framework 2 not from a pair of angled face 26 And inclined to direction disconnected from each other.Reference 28 in Fig. 4 is to be spaced apart adjacent terminal metal piece installation portion 24 Baffle wall 28.
As shown in figure 5, the pair of opposed faces 25 are each other by the leading section of fitting portion 43 (before electric wire 5 End) positioning.The remainder of fitting portion 43 is positioned between the pair of inclined plane 26.Between between a pair of opposed faces 25 Every the interval of the degree for being formed to be capable of positioning terminal metal piece 4.A pair of angled face 26 is relative to a pair of opposed faces 25 angle of inclination (θ 1 in Fig. 4) is formed substantially 2 degree.In addition, in the present invention, it is preferred to inclined plane 26 inclination angle Spend is less than 10 degree.The pair of guiding inclined plane 27 is formed relative to the angle of inclination (θ 1 in Fig. 4) of baffle wall 28 It is 35~45 degree.In addition, in Fig. 4,5, in order that explanation is readily appreciated that, turgidly depicting a pair of angled face 26 and a pair being drawn Lead with the angle of inclination of inclined plane 27.
When terminal metal piece 4 is inserted into the terminal metal piece installation portion 24 of above-mentioned composition, draw due to being provided with a pair Lead with inclined plane 27 such that it is able to swimmingly insert terminal metal piece 4.In addition, being positioned by by the leading section of fitting portion 43 Between a pair of opposed faces 25 such that it is able to which terminal metal piece 4 is positioned at the normal position of terminal metal piece installation portion 4.And And, in the state of terminal metal piece 4 is installed on terminal metal piece installation portion 24, because fitting portion 43 is in addition to leading section Part be positioned between a pair of angled face 26, so, when using electric circuit connection container 1, because of certain reason, fuse 6 inclines In the case of tiltedly, terminal metal piece 4 can follow fuse 6 and incline.That is, the terminal metal piece 4 shown in Fig. 5 can be to arrow L directions or arrow R directions conjugate.
As shown in fig. 6, being provided with multiple baffle walls 29 in the busbar installation portion 23, the plurality of baffle wall 29 is located at converges Flow between the adjacent tuning fork-like connecting portion 33 of bar 3 and formed the receiving portion 23a of each tuning fork-like connecting portion 33.
As shown in Fig. 6 (a) and Fig. 7 (a), the electric circuit connection container 1 of above-mentioned composition is designed to:The portion of terminal 62 of fuse 6 The tuning fork-like connecting portion 33 of busbar 3 is inserted in as the crow flies, also, the portion of terminal 62a of fuse 6 is inserted in terminal gold as the crow flies Belong to the fitting portion 43 of part 4.However, in high temperature environments using in the case of electric circuit connection container 1, busbar 3 is because of framework 2 sometimes Expand and misplace, the fuse 6 for being inserted in the busbar 3 is inclined as shown in Fig. 6 (b) and Fig. 7 (b).In fuse 6 so In the case of inclined, inclined because terminal metal piece 4 also follows fuse 6, thus fuse 6 and terminal metal piece 4 phase It is constant compared with Fig. 7 (a) to position relationship.Therefore, portion of terminal 62a will not be produced to reduce with the contact area of terminal metal piece 4, Or fuse 6 and the connection reliability reduction of terminal metal piece 4, fuse 6 can be well kept with terminal metal piece 4 Connection status.
Additionally, the tuning fork-like connecting portion 33 of busbar 3 is set high with the contact of the portion of terminal 62b of fuse 6 In the fitting portion and the contact of portion of terminal 62a of terminal metal piece 4.Therefore, as shown in Fig. 6 (b), even if wrong in busbar 3 Position and be inserted in the fuse 6 of tuning fork-like connecting portion 33 it is inclined in the case of, fuse 6 does not have with the connection status of busbar 3 yet It is problematic.
In addition, in the present invention, in addition to above-mentioned terminal metal piece 4, the terminal metal piece 7 shown in Fig. 8 can be used. Terminal metal piece 7 has:Fitting portion 73, it is chimeric with a portion of terminal 62a of fuse 6;And wired portion 70, itself and electricity Line 5 is connected.Fitting portion 73 has:Plate portion 74;And a pair of spring 75, it holds up setting and leading section from the two ends of plate portion 74 To the lateral bend of plate portion 74.The fitting portion 73 clamps portion of terminal 62a's between plate portion 74 and a pair of leading sections of spring 75 Mode is chimeric with portion of terminal 62a.Wired portion 70 has:A pair of heart yearn compressing pieces 71, the heart yearn 51 of its crimped electric wire 5;And Skin compressing piece 72 is covered in a pair of insulation, and the part of skin 52 is covered in the insulation of its crimped electric wire 5.
Additionally, above-mentioned implementation method only representational form of the invention, the present invention is not limited to embodiment party Formula.That is, can carry out various modifications to implement without departing from the gist of the present invention.

Claims (2)

1. a kind of electric circuit connection container, it has framework, and the framework is provided with:Electronic unit installation portion, it installs electronic unit; And terminal metal piece installation portion, it installs the terminal metal piece being electrically connected with the electronic unit,
The electronic unit is installed to the electronic unit installation portion from the side of the framework, and the terminal metal piece is from described The opposite side of framework is installed to the terminal metal piece installation portion,
The electric circuit connection container is characterised by,
The terminal metal piece has:Fitting portion, it is chimeric with the portion of terminal of the electronic unit;And wired portion,
It is provided with the inner surface of the terminal metal piece installation portion:A pair of opposed faces, it is extended parallel to one another;And a pair Inclined plane, it extends and with lateral another from the one of the framework from this pair opposed opposite sides towards the framework respectively Advance and inclined to direction disconnected from each other in side;And a pair of guiding inclined planes, the pair of guiding distinguished with inclined plane Extend and with the lateral opposite side traveling from the framework from the pair of opposite side inclined towards the framework Inclined to direction disconnected from each other,
A part for the fitting portion is positioned between the pair of opposed faces, and the remainder of the fitting portion is positioned in Between the inclined plane.
2. electric circuit connection container as claimed in claim 1, it is characterised in that
The pair of inclined plane is less than 10 degree relative to the angle of inclination of the pair of opposed faces.
CN201510085078.2A 2014-02-20 2015-02-16 Electric circuit connection container Active CN104868415B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014030907A JP6309303B2 (en) 2014-02-20 2014-02-20 Electrical junction box
JP2014-030907 2014-02-20

Publications (2)

Publication Number Publication Date
CN104868415A CN104868415A (en) 2015-08-26
CN104868415B true CN104868415B (en) 2017-07-07

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JP (1) JP6309303B2 (en)
CN (1) CN104868415B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110268584B (en) * 2018-05-08 2021-09-03 凡甲电子(苏州)有限公司 Conductive terminal and electric connector with same
JP7115358B2 (en) * 2019-02-26 2022-08-09 住友電装株式会社 electronic module
JP7248732B2 (en) * 2021-04-05 2023-03-29 矢崎総業株式会社 Electrical junction box, method for manufacturing electrical junction box, and wire harness

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116991A1 (en) * 1983-02-04 1984-08-29 Littelfuse Tracor B.V. Fuseholder for blade-type fuses
JPH0877912A (en) * 1994-09-08 1996-03-22 Emuden Musen Kogyo Kk Fuse holder
JP2523705Y2 (en) * 1991-08-26 1997-01-29 矢崎総業株式会社 Automotive electrical connection device
CN1202718A (en) * 1997-06-17 1998-12-23 光州电子株式会社 Fuse holder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227287A1 (en) * 1992-08-18 1994-02-24 Framatome Connectors Int Electrical spring contact
JP2002101526A (en) * 2000-09-21 2002-04-05 Yazaki Corp Power-connecting structure for electric connection box
JP2003264022A (en) * 2002-03-07 2003-09-19 Yazaki Corp Female-type terminal for tab state terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116991A1 (en) * 1983-02-04 1984-08-29 Littelfuse Tracor B.V. Fuseholder for blade-type fuses
JP2523705Y2 (en) * 1991-08-26 1997-01-29 矢崎総業株式会社 Automotive electrical connection device
JPH0877912A (en) * 1994-09-08 1996-03-22 Emuden Musen Kogyo Kk Fuse holder
CN1202718A (en) * 1997-06-17 1998-12-23 光州电子株式会社 Fuse holder

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JP6309303B2 (en) 2018-04-11
JP2015156753A (en) 2015-08-27
CN104868415A (en) 2015-08-26

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