Source: https://patents.google.com/patent/JP2002125307A/en
Timestamp: 2020-08-06 02:22:09
Document Index: 787075748

Matched Legal Cases: ['art 12', 'art 1', 'art 1', 'art 16', 'art 1', 'art 21', 'art 1']

JP2002125307A - Electrical connection box - Google Patents
JP2002125307A
JP2002125307A JP2000314975A JP2000314975A JP2002125307A JP 2002125307 A JP2002125307 A JP 2002125307A JP 2000314975 A JP2000314975 A JP 2000314975A JP 2000314975 A JP2000314975 A JP 2000314975A JP 2002125307 A JP2002125307 A JP 2002125307A
JP2000314975A
Seishi Kawaguchi
清史 川口
信宏 高田
2000-10-16 Application filed by Sumitomo Wiring Syst Ltd, Toyota Motor Corp, トヨタ自動車株式会社, 住友電装株式会社 filed Critical Sumitomo Wiring Syst Ltd
2000-10-16 Priority to JP2000314975A priority Critical patent/JP2002125307A/en
2002-04-26 Publication of JP2002125307A publication Critical patent/JP2002125307A/en
(57) Abstract: Provided is an electric junction box that can prevent a contact between a fastening part between an electric component and a power distribution body. A fastening portion is protruded from a component mounting surface of a block main body. The fastening part 12 has a component mounting part 1 to which a fusible link 6 of a bolt fastening type can be mounted.
1a is formed. The fusible link 6 is fastened to the bus bar 7 by a bolt or the like at the fastening portion 12. The fastening portion cover 5 is attached to the fastening portion 12 from the same direction as the mounting direction of the fusible link 6. Fastening part cover 5
Has a substantially U-shaped cross section, and is attached in a state of being engaged with the fastening portion 12. This fastening portion cover 5 allows the busbar 7
And bolts and the like are covered. That is, the fastening part 1
2 is in a state covered by the fastening portion cover 5.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric junction box mounted on, for example, an automobile and, more particularly, to an electric junction box for accommodating electric components in a state of being fastened to a power distribution body such as a bus bar or an electric wire. is there.
2. Description of the Related Art Generally, for example, various electric parts for a vehicle are mounted in a vehicle in a state accommodated in an electric connection box. Above all, it is necessary to supply a large current to the electric components connected to the battery or the alternator, etc. There is a need to. Therefore, FIG. 4 shows an example of a conventional electric junction box in which electric components requiring such fastening are accommodated.
Is composed of a block body 52, an upper case 53, and a lower case 54. A plurality of component mounting portions 55 are formed on one surface of the block body 52, and the same surface serves as a component mounting surface 52a. Component mounting surface 52
A connection portion 57 for connecting the connection terminal 56a of the fusible link 56 of the bolted type and the bus bar 58 with a bolt or the like protrudes from a. A mounting portion 55a of the fusible link 56 is formed above the fastening portion 57. The fastening portion 57 is adapted to fasten a bolt or the like from a direction indicated by an arrow F in FIG. That is, the fastening portion 57 protrudes toward the component mounting surface 52a to the extent that a bolt or the like can be fastened.
An upper case 53 is attached to the block body 52 so as to cover the component mounting surface 52a.
The lower case 54 is attached to a surface opposite to the component mounting surface 52a.
However, in such a conventional electric junction box 51, the fastening portion 57 has a component mounting surface 52.
Since it protrudes to the side a, the bus bar 58 and the bolt fastened to the fastening portion 57 are exposed on the component mounting surface 52a. Therefore, for example, a tool may touch the fastening portion 57 during maintenance or the like, and a short circuit may occur.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electric junction box which can prevent a contact between an electric component and a power distribution body from coming into contact with a fastening portion.
In order to solve the above-mentioned problems, according to the first aspect of the present invention, a fastening portion for fastening a distribution body and a connection terminal of a predetermined electrical component has a mounting surface for the electrical component. A block body protruding from the side and having a component mounting portion for mounting the electrical component on the fastening portion, and a block case attached to the block body while covering a mounting surface of the electrical component. The gist of the present invention is that the electrical junction box is provided with a fastening portion cover which is accommodated in the block case and is attached to the block main body while covering the fastening portion.
According to a second aspect of the present invention, in the electrical junction box according to the first aspect, the fastening portion cover includes an insertion portion through which the electric component can be inserted, and the electric component is inserted into the insertion portion. The gist is to attach to the block main body in a state where the block is made.
According to a third aspect of the present invention, in the electrical junction box according to the second aspect, an inner peripheral surface of the insertion portion of the fastening portion cover is an outer wall surface of the component mounting portion or an outer wall surface of the electric component. The point is to make contact with.
Hereinafter, the "action" of the present invention will be described. According to the first aspect of the present invention, the fastening portion is covered with the fastening portion cover. For this reason, even when the block case is removed from the block body,
The fastening portion is not exposed. Therefore, a tool or the like does not come into contact with the fastening portion during maintenance or the like.
According to the second aspect of the present invention, the fastening portion cover is provided with an insertion portion through which an electric component can be inserted, and the fastening portion cover is attached to the block body in a state where the electric component is inserted through the insertion portion. Be worn. For this reason, the fastening part cover
It is easily positioned with respect to the fastening part. In addition, when the fastening portion cover is attached, the cover is less likely to be displaced from the fastening portion.
According to the third aspect of the present invention, the fastening portion cover is attached to the fastening portion with the inner peripheral surface of the insertion portion abutting on the outer wall surface of the component mounting portion or the outer wall surface of the electric component. . Therefore, the fastening portion cover is guided by the contact portion, and the fastening portion cover can be more easily and reliably positioned with respect to the fastening portion. That is, attachment of the fastening portion cover to the fastening portion becomes easy.
Further, in the attached state of the fastening portion cover, rattling and displacement of the cover are more reliably prevented.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS.
As shown in FIG. 1, the electric junction box 1 includes a block body 2, an upper case 3 as a block case, a lower case 4, and a fastening portion cover 5. On one surface (upper surface) of the block body 2, a component mounting portion 11 on which various electric components such as fusible links and relays can be mounted.
Is formed, whereby the same surface is the component mounting surface 2a. The bus bar 7 is accommodated in the block main body 2 in an upright state. On the component mounting surface 2a, a fastening portion 12 for fastening the connection terminal 6a of the fusible link 6 of the bolt fastening type and the bus bar 7 with a bolt or the like is protruded. The bus bar 7 is mounted on the component mounting surface 2a.
The side is exposed.
Above the fastening portion 12, a component mounting portion 11a of the fusible link 6 is formed. A wall portion 11b is formed in the component mounting portion 11a, and inside the wall portion 11b,
Two fusible links 6 can be accommodated.
That is, as also shown in FIG.
In a, the fusible link 6 is held in a housed state. The fusible link 6 has two connection terminals 6a extending opposite to each other, and each connection terminal 6a is provided with a bolt insertion portion 6b.
As shown in FIG. 2, a nut accommodating portion 13 is formed inside the fastening portion 12. A partition wall 14 and a nut guide 15 are formed in the nut housing 13,
Nut insertion portion 16 divided into two by this partition wall 14
Is provided. And each nut 17 is inserted in each nut insertion part 16. In this state, each nut 17 is prevented from rotating by a contact portion between each nut 17 and the nut housing 13. In addition, nut receiving part 1
3, a terminal insertion hole 18 communicating with the component mounting portion 11a is provided.
As shown by the two-dot chain line in FIG. 2, when the fusible link 6 is mounted on the component mounting portion 11a, the state in which each connection terminal 6a of the fusible link 6 is inserted into the terminal insertion hole 18 is shown. Become. Further, each connection terminal 6a is inserted between each nut 17 and each bus bar 7. Each connection terminal 6a comes into contact with each nut 17 and the bus bar 7. A bolt (not shown) is fastened to each nut 17 from a direction indicated by an arrow F in FIGS. 1 and 2. Thereby, each connection terminal 6 a and the bus bar 7 are fastened to the nut 17. Therefore, the fastening portion 12 protrudes toward the component mounting surface 2a to the extent that a bolt can be fastened from the direction of arrow F.
In the block body 2 configured as described above, the fastening portion cover 5 is attached to the fastening portion 12.
As shown in FIGS. 1 and 3, the fastening portion cover 5 is formed of a synthetic resin material, and has a substantially U-shape in a cross section indicated by line BB in FIG. 1. That is, the fastening portion cover 5
Is provided with a pair of opposing walls 5a and a connecting wall 5b connecting the walls 5a. The fastening portion cover 5 is attached to the fastening portion 12 from the same direction (upward in FIG. 1) as the mounting direction of the fusible link 6 to the component mounting portion 11a.
Each wall 5a has two engaging portions 2
1 is formed. These engaging portions 21 are provided on each wall 5a.
It is constituted by a part. Specifically, each of the engagement portions 2
1 is formed by cutting out a part of each wall 5a. Each engaging portion 21 has an outer surface formed by each wall portion 5.
It is formed so as to be flush with the outer side surface of a. Also,
Each engagement part 21 is formed so as to be separated from each other and at a position facing each other.
As shown in FIG. 2, each engaging portion 21 has a lock portion 21a protruding toward the opposing wall 5a,
And a protrusion 21b protruding above the lock portion 21a. As shown in FIG. 2B, when attaching the fastening portion cover 5 to the fastening portion 12, each lock portion 21 a slides on the outer surface 12 a of the fastening portion 12, and each engagement portion 21 moves outward. It will be bent. Then, as shown in FIG. 2A, when the fastening portion cover 5 is attached to the fastening portion 12, each of the engaging portions 21 returns to the original shape, and each of the locking portions 21a is Engages. In addition, each protrusion 21b contacts the outer surface 12a of the fastening portion 12. For this reason, the bus bar 7 and the bolt are covered by each wall 5a. That is, the fastening portion 12 is covered with the fastening portion cover 5.
As shown in FIGS. 1 to 3, the fastening portion cover 5
An insertion portion 22 through which the component mounting portion 11a of the fusible link 6 can be inserted is provided through the connection wall 5b. The insertion portion 22 is formed of a square hole, and the fastening portion cover 5 is connected to the fastening portion 1.
2, the inner peripheral surface thereof is set so as to contact the outer wall surface of the wall portion 11b of the component mounting portion 11a.
By the way, as shown in FIG. 2, the guiding portion 2 is provided at the base end of the block body 2 with the fastening portion 12.
3 are formed. Specifically, the invitation portion 23 is a notch portion cut out in a substantially “V” shape, and the tip of each wall portion 5a is accommodated when the fastening portion cover 5 is attached to the fastening portion 12. It is formed as follows. That is, the invitation portion 23 has a tapered shape, and guides the tip of each wall portion 5a. For this reason, as shown by the arrow T in FIG. 2A, even if the fastening portion cover 5 is deformed outward, the deformation is corrected by the guiding portion 23. Further, when the fastening portion cover 5 is attached, it is possible to prevent each wall portion 5a from being deformed outward.
An upper case 3 is attached to the block body 2 so as to cover the component mounting surface 2a. Therefore, the fastening portion cover 5 is housed in the upper case 3. A lower case 4 is attached to a surface (lower surface) of the block main body 2 opposite to the component mounting surface 2a.
Therefore, according to the present embodiment, the following effects can be obtained. (1) The fastening portion 12 is covered with the fastening portion cover 5. Therefore, even when the upper case 3 is detached from the block main body 2, the fastening portion 12 is not exposed. Therefore, the fastening part 1 is used for maintenance and the like.
2 can be reliably prevented from contacting a tool or the like.
(2) The fastening portion cover 5 is provided with an insertion portion 22 through which the component mounting portion 11a of the fusible link 6 can be inserted. Then, the fastening portion cover 5 is attached to the block main body 2 with the component mounting portion 11a inserted through the insertion portion 22. For this reason, the attachment position of the fastening portion cover 5 can be easily positioned with respect to the fastening portion 12. In addition, when the fastening portion cover 5 is attached, the cover 5 is hardly displaced from the fastening portion 12.
Further, the inner peripheral surface of the insertion portion 22 is attached to the fastening portion 12 in a state of contacting the outer wall surface of the wall portion 11b of the component mounting portion 11a. Therefore, the fastening portion cover 5 is guided by the contact portion, and the fastening portion cover 5 can be positioned more easily and reliably with respect to the fastening portion 12. Further, in the state where the fastening portion cover 5 is attached, the backlash and positional deviation of the cover 5 are more reliably prevented.
(3) An engaging portion 21 is formed on the fastening portion cover 5, and the fastening portion cover 5 is attached to the fastening portion 12 while being engaged with the fastening portion 12. For this reason, the fastening portion cover 5 does not come off from the fastening portion 12.
(4) The fastening portion cover 5 is attached to the component mounting portion 11
The fusible link 6 is mounted from the same direction as the mounting direction of the fusible link 6 with respect to a. Therefore, even when another electric component such as a relay is mounted in the vicinity of the fastening portion 12,
The fastening portion cover 5 can be attached to the fastening portion 12 without interfering with other electric components.
(5) When the cover 5 is attached to the fastening portion 12, the outer surface of the engaging portion 21 of the fastening portion cover 5 is flush with the outer surface of the wall portion 5a. When the engaging portion 21 is not engaged with the fastening portion 12, the outer surface of the engaging portion 21 projects from the outer surface of the wall 5a. For this reason, it can be easily recognized whether or not the fastening portion cover 5 is completely attached to the fastening portion 12, and incomplete attachment of the cover 5 can be prevented.
(6) The insertion portion 22 of the fastening portion cover 5 is formed by a square hole, and the entire inner peripheral surface thereof is the component mounting portion 11a.
To come into contact with the outside wall surface of the. For this reason, the positioning of the fastening portion cover 5 with respect to the fastening portion 12 can be performed even more easily. Further, in the state where the fastening portion cover 5 is attached, the backlash and displacement of the cover 5 are further reliably prevented.
(7) The fastening portion cover 5 is formed to have a substantially U-shaped cross section. Then, the fastening portion cover 5
Are attached with the fastening portion 12 sandwiched therebetween. For this reason, the engagement between the engaging portion 21 and the fastening portion 12 is not easily released, and the fastening portion cover 5 is more reliably prevented from falling out of the fastening portion 12.
(8) The block body 2 has an inviting portion 23
Is formed, even if the fastening portion cover 5 is deformed outward, the deformation can be corrected by the guiding portion 23. In addition, it is possible to prevent the respective wall portions 5a from being deformed outward when the fastening portion cover 5 is attached.
The embodiment of the present invention may be modified as follows. -In the said embodiment, the bus bar 7 is used as a power distribution body. However, you may use an electric wire as a power distribution body.
The insertion portion 22 of the fastening portion cover 5 does not have to abut on the outer wall surface of the wall portion 11b of the component mounting portion 11a. That is, the insertion portion 22 may be larger than the outer periphery of the wall portion 11b.
The insertion portion 22 of the fastening portion cover 5 may be formed so that the inner peripheral surface thereof is not limited to the outer surface of the component mounting portion 11a but may contact the outer surface of the fusible link 6, for example. This makes it easy to position the fastening portion cover 5 even when the component mounting portion 11a has a structure in which the wall portion 11b is omitted, that is, even when the fusible link 6 is mounted in a bare state. Can be done.
The insertion portion 22 of the fastening portion cover 5 is not limited to a square hole, but may be a hole such as a round hole that is equal to the outer periphery of the component mounting portion 11a. Further, the insertion portion 22 may have a shape obtained by cutting a portion P indicated by oblique lines in FIG. 1, for example. That is, the insertion portion 22 is not limited to the hole shape, and may have a shape communicating with the outside.
The number of the engaging portions 21 of the fastening portion cover 5 is not limited to four, but may be three or less or five or more. Further, the engaging portion 21 may have any shape as long as it can engage with the fastening portion 12.
In the above embodiment, the guiding portion 23 is formed in the block main body 2. However, the invitation portion 23 may be omitted. -The electric component is not limited to the fusible link, and may be a relay or the like as long as it has a connection terminal that requires bolting.
In the above embodiment, the fastening portion cover 5
Are attached to the fastening portion 12 in the same direction as the attachment direction of the fusible link 6 to the component mounting portion 11a. However, the present invention is not limited to such a mounting direction, and the fastening portion cover 5 may be attached to the fastening portion 12 from a lateral direction. However, in this case, the fastening portion cover 5
It is necessary to change the shape of the insertion portion 22.
Next, in addition to the technical ideas described in the claims, the technical ideas grasped by the above-described embodiments will be listed below. (1) In the electrical junction box according to any one of claims 1 to 3, the fastening portion cover is attached to the fastening portion in the same direction as the mounting direction of the electric component with respect to the component mounting portion. thing. According to the invention described in the technical idea (1), even when another electric component is mounted near the fastening portion, the fastening portion cover is attached to the fastening portion without interfering with the other electrical components. You can wear it.
(2) Claims 1 to 3, Technical idea (1)
5. The electrical junction box according to claim 1, wherein the fastening portion cover has a substantially U-shaped cross section, and is attached with the fastening portion sandwiched therebetween. According to the invention described in the technical concept (2), the fastening portion cover is less likely to come off from the fastening portion.
(3) In the electric junction box according to any one of the first to third aspects and the technical ideas (1) and (2), a leading end of the fastening portion cover is guided to the block main body. An invitation section must be provided. According to the invention described in the technical concept (3), deformation of the fastening portion cover can be prevented.
(4) Claims 1 to 3, Technical idea (1)
In the electrical junction box according to any one of (1) to (3),
The fastening portion cover has an engagement portion that engages with the fastening portion, and is attached while being engaged with the fastening portion. According to the invention described in the technical concept (4), the fastening portion cover does not come off from the fastening portion.
(5) In the electric connection box described in the technical concept (4), the engaging portion is engaged with the fastening portion, and when the fastening portion cover is attached to the electrical connection box, the outer portion is not engaged. The side surface is flush with the outer surface of the fastening portion cover,
When the fastening portion cover is attached in a state where the fastening portion cover is not engaged with the fastening portion, the outer surface is provided so as to protrude from the outer surface of the fastening portion. According to the invention described in the technical concept (5), incomplete attachment of the fastening portion cover can be prevented.
(6) Claims 1 to 3, Technical idea (1)
In the electrical junction box according to any one of (1) to (5),
The power distribution body is a connection terminal of a bus bar or an electric wire housed in the block main body, and the electric component is a fusible link.
(7) A fastening portion for fastening a distribution body and a connection terminal of a predetermined electric component is provided on the mounting surface side of the electric component, and a component mounting portion on which the electric component is mounted is attached to the fastening portion. The electric connection box having a block main body having a block case attached to the block main body in a state of covering the mounting surface of the electric component, is accommodated in the block case, and covers the fastening portion. A fastening part cover in the electric junction box, which is attached to the block body in a state.
As described in detail above, according to the first aspect of the present invention, it is possible to prevent the electrical component and the power distribution body from coming into contact with the fastening portion.
According to the second aspect of the present invention, the fastening portion cover can be easily positioned with respect to the fastening portion. According to the third aspect of the present invention, the fastening portion cover can be more easily and reliably positioned with respect to the fastening portion.
FIG. 1 is an exploded perspective view showing an embodiment of an electric connection box of the present invention.
FIG. 3 is an enlarged perspective view showing a fastening portion cover used in the embodiment;
FIG. 4 is an exploded perspective view showing a conventional electric junction box.
DESCRIPTION OF SYMBOLS 1 ... Electric connection box, 2 ... Block main body, 3 ... Upper case as block case, 5 ... Fastening part cover, 6 ... Fusible link as electric parts, 6a ... Connection terminal,
Reference numeral 7: bus bar as a power distribution body, 11, 11a: component mounting portion, 12: fastening portion, 21: engagement portion, 22: insertion portion, 23
… Invitation part.
Continued on the front page (72) Inventor Nobuhiro Takada 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Motor Corporation F-term (reference) 5G361 BA02 BB01 BC01 BC02
1. A fastening portion for fastening a power distribution body and a connection terminal of a predetermined electric component is protruded from a mounting surface side of the electric component, and
An electric junction box, comprising: a block main body having a component mounting portion to which the electric component is mounted in the fastening portion; and a block case attached to the block main body while covering a mounting surface of the electric component. An electric connection box, wherein a fastening portion cover is provided in the block case and attached to the block body while covering the fastening portion.
2. The fastening unit cover according to claim 1, further comprising an insertion portion through which the electric component can be inserted, and attached to the block main body with the electric component inserted through the insertion portion. Item 2. An electric connection box according to item 1.
3. The electrical junction box according to claim 2, wherein an inner peripheral surface of the insertion portion of the fastening portion cover contacts an outer wall surface of the component mounting portion or an outer wall surface of the electric component.
JP2000314975A 2000-10-16 2000-10-16 Electrical connection box Pending JP2002125307A (en)
JP2000314975A JP2002125307A (en) 2000-10-16 2000-10-16 Electrical connection box
US09/973,759 US6524136B2 (en) 2000-10-16 2001-10-11 Electrical connection box including removable cover enclosed within a casing
DE2001618314 DE60118314T2 (en) 2000-10-16 2001-10-12 Electric motor vehicle junction box
EP20010308717 EP1197397B1 (en) 2000-10-16 2001-10-12 Electrical connection box for a vehicle
JP2002125307A true JP2002125307A (en) 2002-04-26
ID=18794146
JP2000314975A Pending JP2002125307A (en) 2000-10-16 2000-10-16 Electrical connection box
US (1) US6524136B2 (en)
EP (1) EP1197397B1 (en)
JP (1) JP2002125307A (en)
DE (1) DE60118314T2 (en)
JP2018160967A (en) * 2017-03-22 2018-10-11 矢崎総業株式会社 Electric junction box
JP2005168178A (en) * 2003-12-02 2005-06-23 Sumitomo Wiring Syst Ltd Electric connection box
DE202007019048U1 (en) * 2007-04-13 2010-05-12 Huber + Suhner Ag junction box
KR100993726B1 (en) * 2007-04-20 2010-11-10 기아자동차주식회사 Hydraulic damper for dual mass flywheel
KR101552357B1 (en) * 2009-05-29 2015-09-11 엘지이노텍 주식회사 tuner module
DE102013204673A1 (en) * 2013-03-18 2014-09-18 Robert Bosch Gmbh Control unit for a motor vehicle with a shock protection cover
IT221342Z2 (en) * 1990-05-31 1994-03-04 Fittings Ind Srl Fuse improved, in particular for printed circuits.
JP2597037Y2 (en) * 1993-10-12 1999-06-28 住友電装株式会社 Electrical junction box mating structure
US6004159A (en) * 1998-08-20 1999-12-21 Liang; Shih-Tsung Fuse box and fuse holder arrangement
2000-10-16 JP JP2000314975A patent/JP2002125307A/en active Pending
2001-10-11 US US09/973,759 patent/US6524136B2/en not_active Expired - Fee Related
2001-10-12 EP EP20010308717 patent/EP1197397B1/en not_active Expired - Fee Related
2001-10-12 DE DE2001618314 patent/DE60118314T2/en active Active
DE60118314T2 (en) 2006-12-14
DE60118314D1 (en) 2006-05-18
US6524136B2 (en) 2003-02-25
EP1197397A2 (en) 2002-04-17
EP1197397A3 (en) 2003-11-26
EP1197397B1 (en) 2006-03-29
US20020043876A1 (en) 2002-04-18
DE10335304B4 (en) 2014-01-23 junction
JP5489691B2 (en) 2014-05-14 Insulation structure of L-shaped terminal