JP2006296024A - Electric connection box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric connection box which can be installed even in a place of vertically limited space and can prevent water from entering into the body. <P>SOLUTION: The electric connection box comprises a body and a lid wherein the body is provided with a one side guide and the other side guide, respectively, on the one sidewall for body and on the outside of the other sidewall for body, and the lid is provided with a one side rail and the other side rail, respectively, on the one sidewall for lid and on the inside of the other sidewall for lid in order to fix the lid to the body by engaging with the one side guide and the other side guide. A drain hole is formed between outer sidewall provided on the outside of one end wall for body of the body and one end wall for body, an upper rib extending upward is provided on the outside of the extension side end of the upper wall of the lid extended to the outer wall side to cover the drain hole, and a lower rib extending downward in the drain hole is formed on the inside of the upper wall of the lid. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electrical junction box, and more particularly to an electrical junction box that can be installed even in places where vertical space is severe, and that can prevent water and the like from flowing into the body.

  In a vehicle, an electric connection box used for connection such as wiring of an electric circuit is fixed to a vehicle body such as an engine room. The electrical junction box is composed of a main body having an upper portion opened and an electrical component disposed therein, and a lid for closing the opening of the main body.

A conventional electric junction box is composed of a main body, a lower cover, and an upper cover. The first annular packing is interposed between the lower end edge of the outer frame portion of the main body and the groove of the lower cover, and the main body and the upper cover are combined. The second annular packing is interposed between the upper edge of the outer frame portion of the main body and the groove of the upper cover, and the main body is infiltrated so as to surround the electrical component mounting surface inside the second annular packing. Some have a drainage space to discharge water inside the lower cover.
Japanese Utility Model Publication No. 2001-238327

A conventional electrical junction box is composed of a lower cover that houses electrical components and an upper cover that closes the opening of the lower cover. Furthermore, an infiltration prevention wall is provided on the inside to prevent water from entering the electrical parts. An upper cover is provided with an outer peripheral wall covering the outer peripheral surface of the opening edge of the lower cover, and the lower cover is in contact with the lower end of the outer peripheral wall. Some of them have contact protrusions.
Japanese Utility Model Publication No. 2001-314017

A conventional electric junction box is composed of a main body that houses a fuse and a fuse cover that is pivotally supported by a main shaft so that it can be opened and closed, and is adjacent to the outer wall of the main body. Some have fitting means.
Japanese Utility Model Publication No. 2001-314017

  However, as shown in Patent Documents 1 and 2, the conventional electrical junction box has a structure in which a lid is attached to and removed from the main body from above, and the opening of the main body is exposed. In this way, the lid is rotated with respect to the main body with the one end side as a fulcrum and the other end side is turned upward to expose the opening of the main body.

  For this reason, the conventional electrical junction box needs to provide a space above the lid so that the lid can be attached and detached, which makes it difficult to install in places where the vertical space is severe There is.

  Thus, if it is set as the structure which slides and attaches a cover body with respect to a main body with respect to a main body with respect to an inconvenience in this way, it will become possible to install an electrical junction box also in a place where the space of an up-down direction is severe.

  However, when the lid is attached to the main body with a slide structure and can be removed, the lid must be formed in a substantially rectangular box shape with one end open, and as a result, the lid is opened. The waterproof performance at the one end side is degraded, and water may enter the inside of the main body.

  The present invention provides an electrical junction box including a main body having an upper portion opened and an electrical component disposed therein, and a lid for closing the opening of the main body. The main body has one end wall for the main body and the main body. The other end wall and the other side wall for the main body and the other side wall for connecting the main body and the other side wall are formed into a substantially rectangular box shape having an opening in the upper portion, and the lid body includes the upper wall for closing the opening of the main body, A substantially long rectangular box whose lower end and one end are opened by the other end wall for the main body, the other end wall for the lid covering the other side wall for the main body and the other side wall for the main body, the one side wall for the lid, and the other side wall for the lid. The one side guide and the other side guide are provided outside the one side wall for the main body and the other side wall for the main body so as to be close to the one end wall side of the main body, and the one side wall for the lid body and the other side wall for the lid body When the lid is slid from the other end wall side to the one end wall side of the main body, The one side rail and the other side rail that are engaged with the one side guide and the other side guide and attach the lid to the main body are provided, and the outer wall is provided outside the one end wall for the main body, and the outer wall and the one end wall for the main body are provided. A drain hole is formed between the lid and the lid extending to the outer wall so as to cover the drain hole, and the extending side of the upper wall of the lid extending to the outer wall An upper rib extending upward is formed on the outer side of the end, and a lower rib extending downward in the drain hole is formed on the inner side of the upper wall of the lid extending on the outer wall side. And

The electrical junction box of the present invention is attached and detached by sliding the lid in the horizontal direction with respect to the main body by engagement of the one side guide and the other side guide of the main body with the one side rail and the other side rail of the lid body. The lid can be attached to and detached from the main body even in a place where there is no space for attaching and detaching the lid on the upper side, and installation is possible even in a place where the vertical space is severe.
Further, the electrical junction box of the present invention guides water or the like that has entered the inside of the upper wall from one end side of the lid body having a slide structure to the drain hole through the lower rib formed inside the upper wall. The water can be prevented from flowing into the inside of the main body, and the water accumulated outside the upper wall is guided to each side wall for the lid through the upper rib formed on the outer side of the extended side end of the upper wall. , Can be prevented from flowing into the body.

The electrical junction box according to the present invention can be attached and detached by sliding the lid in the horizontal direction with respect to the main body, and the lid can be attached even in a place where there is no space for attaching and removing the lid above. Can be installed and removed from the main body, and can be installed even in places where the vertical space is tight, and water drainage holes are formed through the lower ribs formed inside the upper wall. By guiding it to the part, it is prevented from flowing into the inside of the main body, and water and the like accumulated outside the upper wall is guided to each side wall for the lid through the upper rib formed on the outer side of the extended side end of the upper wall. This prevents the liquid from flowing into the main body.
Embodiments of the present invention will be described below with reference to the drawings.

  1 to 29 show an embodiment of the present invention. 13 to 16, reference numeral 2 denotes an electric connection box that is fixed to a vehicle body such as an engine room of a vehicle (not shown) and used for connection of electric circuit wiring and the like. The electrical junction box 2 includes a main body 4 in which electrical components (not shown) are disposed, and a lid body 6 that closes an opening of the main body 4. A lower cover 8 is attached to the lower side of the main body 4. ing.

  As shown in FIGS. 17 to 20, the main body 4 includes a main body one end wall 10 and a main body other end wall 12 which are disposed to face each other in the longitudinal direction, and the main body one end wall 10 and the main body other end wall 12. The main body side wall 14 and the main body other side wall 16 communicating between both ends form a substantially rectangular box shape in plan view having an opening in the upper part. The main body 4 is provided with a mounting portion 18 in which an electrical component (not shown) is mounted inside surrounded by the main body one end wall 10 and the main body other end wall 12, the main body one side wall 14 and the main body other side wall 16. ing.

  The one side guide 20 and the other side guide 22 are provided on the outer side of the main body side wall 14 and the main body other side wall 16 of the main body 4 so as to be close to the main body one end wall 10 side. The main body 4 is extended from the upper end of the other end wall 12 for the main body of the one side guide 20 and the other side guide 22 so as to incline from the upper side of the other end wall 12 of the main body toward the lower side of the main end wall 10. One side inclined guide part 24 and the other side inclined guide part 26 are formed.

  Further, the main body 4 is provided with an outer wall 28 outside the one end wall 10 for main body, and a drain hole 30 is formed between the outer wall 28 and the one end wall 10 for main body. In the main body 4, the outer wall 28 is formed continuously with the one end guide 10 side wall 10 side end of the one side guide 20 and the other side guide 22.

  As shown in FIGS. 21 to 25, the lid 6 includes an upper wall 32 that closes the opening of the main body 4, the main body other end wall 12, the main body one side wall 14, and the main body other side wall 16. The cover other end wall 34, the lid one side wall 36, and the lid other side wall 38 form a substantially rectangular box shape in a plan view in which the lower part and one end side are opened.

  When the lid 6 is slid from the other end wall 12 side of the main body 4 toward the one end wall 10 side of the main body 4, one side wall 36 for the lid body and the other side wall 38 for the lid body are provided inside the lid body 6. One side rail 40 and the other side rail 42 that are engaged with the side guide 20 and the other side guide 22 and attach the lid 6 to the main body 4 are provided.

  The lid 6 extends toward the outer wall 28 so as to cover the drain hole 30 of the main body 4. On the outside of the extended side end of the upper wall 32 of the lid body 4 extended to the outer wall 28 side, an upper rib 44 extending upward is formed. Further, a lower rib 46 extending downward in the drain hole 30 is formed on the inner side of the upper wall 32 of the lid body 6 extending toward the outer wall 28 side.

  The lid body 6 extended to the outer wall 28 side has lateral ribs 48 and other side ribs extending laterally outside the extended side ends of the lid side wall 36 and the lid other side wall 38. 50 is formed continuously with the upper rib 44. The lid body 6 is formed with one side inclined surface portion 52 and another side inclined surface portion 54 that are inclined downward from the center in the width direction toward the one side wall 36 for the lid body and the other side wall 38 for the lid body on the upper wall 32. Yes.

  As shown in FIGS. 13 to 16, the main body 4 and the lid body 6 are provided with a one-side lock mechanism 56 between the main body side wall 14 and the lid body side wall 36. The one-side lock mechanism 56 is elastically engaged in conjunction with the attaching operation of the lid body 4 and is released from the elastic engagement by an operator's manual operation. Further, the main body 4 and the lid body 6 are provided with an other side lock mechanism 58 between the main body other side wall 16 and the lid body other side wall 38. The other side lock mechanism 58 is elastically engaged in conjunction with the attachment operation of the lid body 4 and is released from the elastic engagement in conjunction with the removal operation of the lid body 4.

  The one-side locking mechanism 56 includes a one-side engagement protrusion 60 provided to protrude from the main body side wall 14 close to the main body other end wall 12 side, and a lid body close to the other end wall 34 side of the lid body. 1 side lock part 62 provided in the one side wall 36 so that rocking was possible by manual operation. The one-side lock portion 62 has a one-side engagement hole 64 that is engaged with the one-side engagement protrusion 60.

  The other-side locking mechanism 58 includes an other-side engaging protrusion 66 provided to protrude from the other-side main body wall 16 proximate to the other-end body wall 12 side, and a lid close to the other-end wall 34 side. The other side lock portion 68 is provided integrally with the other side wall 38 for use. As shown in FIGS. 11 and 12, the other side engaging projection 66 is formed with an inclined surface 70 which is inclined from the lower side to the upper side so as to be separated from the other side wall 16 for the main body. The other side lock portion 68 is formed with another side engagement hole 72 that is elastically engaged with the other side engagement protrusion 66.

  As shown in FIGS. 26 to 29, the lower cover 8 closes the lower side of the main body 4 and has a bottom wall 74 inclined downward from the main body one end wall 10 side toward the main body other end wall 12 side. , One end wall 10 for the main body and the other end wall 12 for the main body, one end wall 76 for the lower cover and the other end wall 78 for the lower cover, which are in contact with the lower ends of the one side wall 14 for the main body and the other side wall 16 for the main body. The one side wall 80 and the other side wall 82 for the lower cover form a substantially square box shape in plan view with the upper part opened. The lower cover 8 has a notch 84 for inserting a wiring (not shown) inside the lower cover other end wall 78.

  As shown in FIGS. 14 to 16, the lower cover 8 is coupled to the lower side of the main body 4 by a plurality of coupling tools 86. The connector 86 includes an embankment-shaped main body protrusion protrusion 88 provided at the lower end of the main body one end wall 10, the main body one side wall 14, and the main body other side wall 16 of the main body 4, and FIGS. 29, the lower cover end wall 76, the lower cover one side wall 80, and the lower cover other side wall 82 are provided with frame-shaped lower cover retaining frame portions 90 respectively provided at the upper ends of the lower cover. The lower cover 8 is attached to the lower side of the main body 4 by elastically locking and connecting the lower cover latching frame portion 90 to the main body latching protrusion 88 of the connector 86.

  Next, the operation will be described.

  As shown in FIGS. 13 to 16, the electrical junction box 2 is opened at the upper portion by the main body one end wall 10 and the main body other end wall 12, and the main body one side wall 14 and the main body other side wall 16 communicating between them. A main body 4 formed in a substantially long rectangular box shape, an upper wall 32 closing the opening of the main body 4, the other end wall 34 for lid, one side wall 36 for lid, and another side wall 38 for lid. A lower cover 8 is attached to the lower side of the main body 4. The lid 6 is formed in a substantially long rectangular box shape having a lower portion and one end opened.

  The electrical connection box 2 is fixed to a vehicle body such as an engine room (not shown) of the vehicle, an electrical component (not shown) is attached to the mounting portion 18 inside the main body 4, and the other end wall 78 for the lower cover of the lower cover 8. A wiring (not shown) is inserted through the notch 84 to connect the electrical component and the wiring inside the main body 4.

  As shown in FIGS. 4 to 6, the electrical junction box 2 has one side guide 20 and another side guide 22 on the outside of the main body one side wall 14 and the main body other side wall 16, close to the main body one end wall 10 side. Provided inside the one side wall 36 for the lid and the other side wall 38 for the lid, when the lid 6 is slid from the other end wall 12 side of the main body 4 to the one end wall 10 side of the main body, One side rail 40 and the other side rail 42 which are engaged with the other side guide 22 and attach the lid 6 to the main body 4 are provided.

  As a result, the electrical junction box 2 has the lid 6 horizontally with respect to the main body 4 by the engagement of the one side guide 20 and the other side guide 22 of the main body 4 with the one side rail 40 and the other side rail 42 of the lid body 6. Can be attached and removed by sliding it in the direction, and the lid 6 can be attached to and detached from the main body 4 even in a place where there is no space for attaching and removing the lid 6, and the space in the vertical direction is severe But it can be installed.

  As shown in FIGS. 1 to 3, the electrical junction box 2 is provided with an outer wall 28 outside the main body end wall 10, and a drain hole 30 is formed between the outer wall 28 and the main body end wall 10. Then, the lid body 6 is extended to the outer wall 28 side so as to cover the drain hole portion 30, and the upper end 32 of the upper wall 32 of the lid body 6 extending to the outer wall 28 side is extended upward. An extending upper rib 44 is formed, and a lower rib 46 extending downward in the drain hole 30 is formed inside the upper wall 32 of the lid body 6 extending to the outer wall 28 side.

  As a result, the electrical junction box 2 has a drain hole through the lower rib 46 formed on the inner side of the upper wall 32 with water or the like entering the inner side of the upper wall 32 from one end side of the lid 6 having a slide structure. It can be guided to the portion 30 and can be prevented from flowing into the inside of the main body 4, and the water accumulated outside the upper wall 32 can be prevented from passing through the upper rib 44 formed on the outer side of the extended side end of the upper wall 32. Thus, the liquid can be guided to the side walls 36 and 38 for the lid body and prevented from flowing into the main body 4.

  As shown in FIGS. 17 to 20, the main body 4 is formed such that the outer wall 28 is continuously formed on the one end guide 10 side end of the one side guide 20 and the other side guide 22, whereby the outer wall 28 and the one side guide are formed. The rigidity with 20 and the other side guide 22 can be improved and molding becomes easy.

  As shown in FIGS. 4 to 6, the main body 4 extends from the upper end of the other end wall 12 to the lower end of the main end wall 10. The one-side inclined guide portion 24 and the other-side inclined guide portion 26 which are inclined and extended toward the main body 4 are formed, and the lid body 6 is obliquely above the main body other end wall 12 side from the main body one end wall 10 side. Since the lid 6 can be slid and attached to the main body 4 obliquely from above, it can be attached even when there is not enough space above the main body 4 or in the horizontal direction. It is possible to improve the performance.

  As shown in FIGS. 7 and 8, the lid 6 extending to the outer wall 28 side of the main body 4 extends laterally to the outer side of the extension side end of the lid side wall 36 and the other side wall 38 for the lid. Since the one-side rib 48 and the other-side rib 50 that are taken out are formed continuously with the upper-side rib 44, rainwater or the like blocked by the upper-side rib 44 flows down along the one-side rib 48 and the other-side rib 50. It is possible to effectively prevent water and the like from entering the inside of the main body 4.

  As shown in FIGS. 7 and 8, the lid body 6 is formed on the upper wall 32 with one inclined surface portion 52 inclined downward from the center in the width direction toward the one side wall 36 for the lid body and the other side wall 38 for the lid body. By forming the other-side inclined surface portion 54, rainwater or the like accumulated on the upper wall 32 of the lid body 4 can be easily flowed downward, and water accumulation on the upper surface of the lid body 4 is prevented as much as possible. be able to.

  As shown in FIGS. 9 to 10, the main body 4 and the lid body 6 are elastically engaged between the main body side wall 14 and the lid body side wall 36 in conjunction with the mounting operation of the lid body 6. A one-side lock mechanism 56 that is released elastically by the operator's manual operation is provided, and elastically engaged with the attachment operation of the lid body 6 between the other side wall 16 for the main body and the other side wall 38 for the lid body. In addition, by providing the other side lock mechanism 58 that is released elastically in conjunction with the removal operation of the lid body 6, the main body 4 and the lid body 6 are connected by the one side / other side lock mechanisms 56, 58. In addition to being able to be firmly coupled, the elastic engagement of the other-side lock mechanism 58 is released in conjunction with the operation of releasing the elastic engagement of the one-side lock mechanism 56 and removing the lid body 6 by the operator's manual operation. Therefore, the workability of removal can be improved.

  As shown in FIGS. 11 to 12, the other side locking mechanism 58 is formed by forming an inclined surface 70 that is inclined from the other side engaging projection 66 toward the upper side from the lower side and away from the other side wall 16 for the main body. The other side engaging projection 66 is slid in the direction indicated by the arrow by the inclined surface 70 of the other side lock portion 68, and can be elastically engaged.

  The present invention is not limited to the above-described embodiments, and various application modifications can be made.

  For example, FIG. 30 shows a first modification. This electrical junction box 2 is drained at the lower end of the lower rib 46 that extends downward in the drain hole 30 inside the upper wall 32 of the lid 6 that extends to the outer wall 28 side of the main body 4. A sharpened point 92 having a tapered shape is formed toward the inside of the hole 30.

  The electrical junction box 2 has a slide structure in which a sharpened portion 92 is formed at the lower end of the lower rib 46 on the inner side of the upper wall 32 of the lid 6 that extends toward the outer wall 28 of the main body 4. The water or the like that has entered the inside of the upper wall 32 from one end side of the water 6 can be drained by the sharpened portion 92 at the lower end of the lower rib 46 and guided to the water drain hole 30, and can flow into the inside of the main body 4. It can prevent efficiently.

  FIG. 31 shows a second modification. In the electrical junction box 2, two lower ribs 46 that extend downward in the drain hole 30 are juxtaposed inside the upper wall 32 of the lid 6 that extends toward the outer wall 28 of the main body 4. Is formed.

  The electrical junction box 2 has entered the inside of the upper wall 32 from one end side of the lid body 6 having a slide structure by forming two lower ribs 46 in parallel inside the upper wall 32 of the lid body 6. Water or the like can be prevented from entering the inside of the main body 4, can be guided to the drain hole 30, and can be efficiently prevented from flowing into the main body 4.

  FIG. 32 shows a third modification. The electrical junction box 2 is provided with a projecting portion 94 by projecting the lid body 6 beyond the outer wall 28 so as to cover the drain hole 30 of the main body 4, and an upper portion of the lid body 6 constituting the projecting portion 94. A groove 96 is formed on the inner side of the wall 32 and on the outer side of the outer wall 28.

  The electrical junction box 2 is configured to allow water or the like that has entered the inside of the upper wall 32 from one end side of the lid body 6 having a sliding structure to enter the inside of the upper wall 32 of the lid body 6 constituting the protruding portion 94. Thus, the water can be drained by the groove 96 formed at a position outward from the outer wall 28 and dropped to the outside of the outer wall 28, and can be efficiently prevented from flowing into the main body 4.

  The electrical junction box according to the present invention can be installed even in a place where the vertical space is severe, and prevents it from flowing into the main body. It is possible to follow each company's industrial equipment such as machines.

It is a perspective view from the back of the electrical junction box which shows an Example. It is an expanded sectional view of the electrical junction box by the II-II line of FIG. It is a top view of the electrical junction box in the state where the lid was opened slightly. It is a perspective view from the back of the electrical junction box of the state which attaches a cover body to a main body from diagonally upward. It is a perspective view from the back of the electrical junction box of the state which engaged the rail of the cover body with the guide of the main body. It is a perspective view from the back of the electrical connection box of the state which attached the cover body to the main body completely. It is a perspective view from the back of the electrical junction box explaining the flow of rain water etc. which accumulated on the upper wall of the lid. It is a perspective view from the front of the electrical junction box explaining the flow of rain water etc. which accumulated on the upper wall when the lid is opened. It is a perspective view from the front of the electrical junction box explaining a one side lock mechanism. It is a perspective view from the back of the electrical junction box explaining an other side lock mechanism. It is an expanded sectional view explaining the operation in the middle of engagement of the other side lock mechanism. It is an expanded sectional view explaining the state which the other side lock mechanism completed engagement. It is a top view of an electrical junction box. It is a front view of an electrical junction box. It is a right view of an electrical junction box. It is a left view of an electrical junction box. It is a top view of a main body. It is a front view of a main body. It is a right view of a main body. It is a left view of a main body. It is a front view of a lid. It is a bottom view of a lid. It is a rear view of a cover body. It is a right view of a cover body. It is a left view of a cover body. It is a top view of a lower cover. It is a front view of a lower cover. It is a right view of a lower cover. It is a left view of a lower cover. It is an expanded sectional view of the outer side wall part of the main part which shows a 1st modification. It is an expanded sectional view of the outside wall part of the main part which shows the 2nd modification. It is an expanded sectional view of the outer side wall part of the main part which shows a 3rd modification.

Explanation of symbols

2 Electrical connection box 4 Main body 6 Lid 8 Lower cover 10 One end wall for main body 12 Other end wall for main body 14 One side wall for main body 16 Other side wall for main body 20 One side guide 22 Other side guide 28 Outer side wall 30 Drain hole 32 Upper wall 34 Other end wall for lid body 36 One side wall for lid body 38 Other side wall for lid body 40 One side rail 42 Other side rail 44 Upper rib 46 Lower rib 48 One side rib 50 Other side rib 52 One side inclined surface portion 54 Other side inclined surface part 56 One side lock mechanism 58 Other side lock mechanism

Claims (6)

  In an electrical junction box comprising a main body having an upper portion opened and an electrical component disposed therein, and a lid for closing the opening of the main body, the main body includes one end wall for the main body and the other end wall for the main body. The main body side wall and the other side wall for main body communicating between these are formed into a substantially rectangular box shape having an opening at the top, and the lid body is for the upper wall for closing the opening of the main body and for the main body of the main body The other end wall, the other side wall for the main body and the other side wall for the main body, and the other side wall for the lid body, the one side wall for the lid body, and the other side wall for the lid body are formed in a substantially long rectangular box shape whose lower side and one end side are opened The one side guide for the main body and the other side wall for the main body are provided with one side guide and the other side guide in the vicinity of the one end wall for the main body, and inside the one side wall for the lid body and the other side wall for the lid body. When the lid is slid from the other end wall side of the main body to the one end wall side of the main body, The one side rail and the other side rail that are engaged with the one side guide and the other side guide and attach the lid to the main body are provided, and the outer wall is provided outside the one end wall for the main body, and the outer wall and the one end wall for the main body are provided. A drain hole is formed between the lid and the lid extending to the outer wall so as to cover the drain hole, and the extending side of the upper wall of the lid extending to the outer wall An upper rib extending upward is formed on the outer side of the end, and a lower rib extending downward in the drain hole is formed on the inner side of the upper wall of the lid extending on the outer wall side. And electrical junction box.   2. The electrical junction box according to claim 1, wherein the main body has an outer wall formed continuously to one end wall end of the main body of the one side guide and the other side guide.   The main body has a one-side inclined guide portion that is inclined and extended from the upper end of the other end wall side of the main body toward the lower end of the one end wall side of the main body at the other end wall side end of the main body of the one side guide and the other side guide. The electrical connection box according to claim 2, further comprising an inclined guide portion on the other side and attached by sliding the lid body from an obliquely upper side on the other end wall side of the main body toward the one end wall side of the main body. .   The lid extended to the outer wall side has one side rib and the other side rib extending laterally outside the extended side end of the one side wall for the lid and the other side wall for the lid continuous to the upper side rib. The electrical junction box according to claim 3, wherein the electrical junction box is formed.   The said cover body formed the one side inclined surface part and other side inclined surface part which incline below toward the one side wall for lid bodies and the other side wall for lid bodies of the both sides from the center of the width direction on the upper wall. Item 5. An electrical junction box according to Item 4.   The main body and the lid are elastically engaged in conjunction with the operation of attaching the lid between the one side wall for the main body and the one side wall for the lid, and the elastic engagement is released by an operator's manual operation. One side locking mechanism is provided, and elastically engaged with the lid attaching operation and elastically engaged with the lid removing operation between the other side wall for the main body and the other side wall for the lid. The electrical connection box according to claim 1, further comprising a lock mechanism on the other side that can be released.

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