JP2003299225A - Box fixing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a box fixing structure which can raise the vibration resistance of a mount for mounting a box to a vertical plane. <P>SOLUTION: This box fixing structure is equipped with an engaging arm 17 which extends toward a topside 11 from the box 15, engaging projections 18 which are provided at the engaging arms 17 so as to engage with the topside 11, a fixed arm 20 which extends toward the topside from the flank 16 of the box 15, a fixed projection 21 which is provided at the fixed arm 20, and a fixing hole 13 which is provided at the vertical plane 12 so as to allow the insertion of the fixed arm 20. The fixing hole 13 is a slot which extends in parallel with the direction of engagement of the engaging projection 18, and also it has a longitudinal dimension L2 corresponding to the engagement stroke L1 of the engaging projection 18. Besides, at completion of engagement of the engaging projection 18, the fixed projection 18 can engage with the brim 13A of the opening of the fixing hole 13. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box body fixing structure, and more particularly to a box body suitable for fixing a box body such as an electric junction box to an elevation of an engine room inner wall of an automobile. Regarding fixed structure.

[0002]

2. Description of the Related Art The technique of Japanese Utility Model Laid-Open No. 4-87554 is proposed as an example of a structure for fixing a box to which an electric junction box (box) is attached to an elevation (inner wall) of an engine room. According to the box body fixing structure of this publication, an engaging hole is provided in the elevation portion, an engaging protrusion is provided on the side wall of the electrical connection box, and the engaging protrusion of the electrical connection box is provided in the engaging hole of the elevation portion. By inserting and engaging the electric connection box, the electric connection box can be attached to the vertical surface section with the side surface of the electric connection box facing the vertical surface section.

[0003]

However, in the box body fixing structure disclosed in the above publication, since the side wall of the electric connection box is attached to the upright portion such as the inner wall of the engine room only by the engaging projections,
The electrical junction box is cantilevered. For this reason, for example, when considering the vibration of an automobile, there is still room for improvement in order to further improve the vibration resistance of the mounting portion of the electrical junction box.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a box body fixing structure capable of enhancing the vibration resistance of a mounting portion for mounting the box body on an upright portion. Especially.

[0005]

In order to achieve the above-mentioned object, according to the present invention, as described in claim 1, a box body is provided with respect to an upright surface portion which is adjacent to an upward surface portion and is continuous downward. In order to fix the side surface of, the engaging arm portion extending from the box body to the upward surface portion, and provided to one of the upward surface portion and the engaging arm portion and with respect to the upward surface portion And an engaging protrusion that protrudes in a direction substantially orthogonal to each other and engages with the other of the upward surface portion and the engaging arm portion, and from one of the upright surface portion and the side surface toward the other. A fixed arm portion that extends in the direction of the fixed arm portion, a fixed protrusion that is provided on the fixed arm portion and that protrudes in the intersecting direction, and a fixing hole that is provided on the other of the upright portion and the side surface and into which the fixed arm portion can be inserted And the fixing hole with respect to the engaging direction of the engaging protrusion. It is an elongated hole extending in a row and has a longitudinal dimension corresponding to the engaging stroke of the engaging protrusion, and the fixing protrusion is provided at the opening edge portion of the fixing hole when the engaging protrusion is completely engaged. It is characterized in that it can be engaged.

In the box body fixing structure thus constructed, two members, an engaging projection and a fixing projection, are provided as members for fixing the box body, and the engaging projection is fixed when the engagement is completed. The protrusion is configured to engage with the opening edge of the fixing hole. Thus, the box body can be attached to the upward surface portion via the engaging projection, and can be attached to the upright surface portion via the fixing projection.

Further, in the present invention, as described in claim 2, the fixing hole is provided in the upright portion.

By providing the fixing hole in the elevation portion, it is not necessary to provide the fixing hole in the box body. As a result, it is not necessary to secure a portion for providing the fixing hole in the box body.

Further, in the present invention, as described in claim 3, the fixed arm portion has a holding portion provided in parallel with the fixed protrusion, and the distance between the fixed protrusion and the holding portion is different. It is characterized in that it corresponds to the thickness of the elevation.

The fixed arm portion has a holding portion, and the holding portion and the fixing protrusion can hold the standing surface portion by making the distance between the holding portion and the fixing projection correspond to the wall thickness of the standing surface portion. .

Further, according to the present invention, as described in claim 4, the box body is fixed to the side surface of the box body which is adjacent to the upward surface portion and which is continuous downward. An engaging arm portion extending to the upward surface portion, provided on one of the upward surface portion and the engaging arm portion, and projecting in a direction substantially orthogonal to the upward surface portion, and One of the engaging projection that engages with the other of the facing surface portion and the engaging arm portion, the fixing upward surface portion that is provided to project from the upright surface portion, and the downward surface of the box body. And a fixing protrusion provided on the other of the fixing upper surface portion and the downward surface and engageable with the fixing concave portion, wherein the fixing concave portion is the engaging protrusion. Has a depth dimension corresponding to the engagement stroke of the Wherein the fixing protrusion is engageable with the fixed concave portion.

As a member for fixing the box body, two members, that is, an engaging projection and a fixing projection are provided, and the fixing projection engages with the fixing recess when the engagement is completed.
Thus, the box body can be attached to the upward surface portion via the engaging projection, and can be attached to the upright surface portion via the fixing projection.

Further, in the present invention, as described in claim 5, the fixing concave portion is provided in the fixing upward surface portion.

By providing the fixing concave portion on the fixing upward surface portion of the upright portion, it is not necessary to provide the fixing concave portion on the box body. As a result, it is not necessary to secure a portion for providing the fixed concave portion in the box body.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. In each embodiment described below, the members already described in FIGS. 1 to 3 are denoted by the same or corresponding reference numerals in the drawings to simplify or omit the description.

As shown in FIGS. 1 and 2, the box fixing structure 10 according to the first embodiment is adjacent to the upward surface portion 11 of the inner wall of the engine room of the automobile and is continuous downward from the upward surface portion 11. In order to fix the side surface 16 of the box body 15 to the surface portion 12, the engaging arm portion 17 extending from the box body 15 to the upward surface portion 11, and the upward surface portion 11 provided on the engaging arm portion 17 An engaging projection 18 that projects in a direction substantially orthogonal to and engages with an engaging hole 14 of the upward surface portion 11, a fixed arm portion 20 extending from the side surface 16 toward the upright surface portion 12, and a fixed arm portion. A fixing protrusion 21 provided on the 20 and protruding in a crossing direction (more specifically, a direction extending parallel to the engaging direction of the engaging protrusion 18), and a fixing arm portion provided on the upright portion 12. And a fixing hole 13 into which 20 can be inserted.

The fixing structure 10 of the box body is such that the fixing hole 13 is an elongated hole extending parallel to the engaging direction of the engaging protrusion 18 and has a length corresponding to the engaging stroke L1 of the engaging protrusion 18. It has a directional dimension L2, and when the engagement protrusion 18 is completely engaged with the engagement hole 14, the fixed protrusion 21 is engageable with the opening edge portion 13A of the fixed hole 13.

In addition, the box fixing structure 10 includes a fixing arm portion 20.
The holding portion 22 is provided in parallel with the fixed protrusion 21, and the separation dimension L3 between the fixed protrusion 21 and the holding portion 22 is configured to correspond to the wall thickness dimension T1 of the upright portion 12.

A substantially U-shaped bracket 19 is provided on the side surface 16 of the box body 15, and the bracket 19 is provided with a fixed arm portion 20 and a holding portion 22. In addition, on the side surface 16 of the box body 15,
It is also possible to directly provide the fixed arm portion 20 and the sandwiching portion 22 without providing the substantially U-shaped bracket 19.

Next, the operation of the box-body fixing structure 10 will be described with reference to FIGS. As shown in FIG. 3, the fixed arm portion 20 and the fixed protrusion 21 are inserted into the fixed hole 13 of the upright portion 12, and the surface 19A of the bracket 19 is brought into contact with the upright portion 12. In this state, the engagement protrusion 18 is arranged above the engagement hole 14 of the upward surface portion 11.

Next, by lowering the box body 15 downward by the engaging stroke L1, the engaging projections 18 are inserted into the engaging holes 14 of the upward facing surface portion 11 and engaged as shown in FIG. At the same time, the fixed protrusion 21 and the sandwiching portion 22 are attached to the longitudinal dimension L2 (that is,
By lowering the engaging stroke L1), the fixing protrusion 21 and the holding portion 22 are fitted into the opening edge portion 13A of the fixing hole 13, and the opening edge portion 13A of the fixing hole 13 is separated by the fixing protrusion 21 and the holding portion 22. Hold it.

As a result, when the engaging projection 18 is completely engaged with the engaging hole 14, the fixing projection 21 can be engaged with the opening edge portion 13A of the fixing hole 13, and the box body is inserted through the engaging projection 18. 15 facing up
It can be attached to the upright portion 11 through the fixing projection 21 and the sandwiching portion 22 while being attached to the upright portion 11. Since the box body 15 can be attached at the two portions 18 and 20 in this manner, the vibration resistance when the box body 15 is attached to the upright portion 12 can be improved.

Further, by providing the fixing hole 13 in the upright portion 12, it is not necessary to provide the fixing hole 13 in the box body 15. As a result, it is not necessary to secure a portion for providing the fixing hole 13 in the box body 15, so that the volume of the box body 15 is not affected, and the box body 15 can be prevented from becoming large.

Further, the fixed arm portion 20 is provided with a holding portion 22, and the holding portion 22 is fixed to the holding portion 22 by making the separation dimension L3 between the holding portion 22 and the fixing projection 21 correspond to the wall thickness dimension T1 of the upright portion 12. The upright portion 12 can be sandwiched by the projection 21. As a result, rattling of the box body 15 can be prevented, and the vibration resistance of the mounting portion of the box body 15 can be further enhanced.

Next, a second embodiment will be described with reference to FIGS. As shown in FIGS. 4 to 5, a box body fixing structure 30 according to the second embodiment is a box body with respect to an upright surface portion 11 that is adjacent to an upward surface portion 11 of an inner wall of an engine room of an automobile and is continuous downward. In order to fix the side surface 36 of the 35, the engaging arm portion 17 extending from the box body 35 to the upward surface portion 11, and in the direction substantially orthogonal to the upward arm portion 11 provided on the engaging arm portion 17. Engagement protrusion that protrudes and engages with the engagement hole 14 of the upward surface portion 11
18, a fixing concave portion 34 provided on the fixing upward surface portion 33 projectingly provided on the upright portion 12, and a fixing projection 38 provided on the downward surface 37 of the box body 35 and engageable with the fixing concave portion 34. With.

By using the fixing recess 34 as a through hole, the fixing recess 34 can be made to correspond to the engaging stroke L1 of the engaging protrusion 18, and when the engaging protrusion 18 is completely engaged with the engaging hole 14, it is fixed. The protrusion 38 is configured to be engageable with the fixed recess 34.

In addition, the box fixing structure 30 includes a fixing recess 34.
Is provided on the upward fixing surface portion 33. By providing the fixing concave portion 34 in the fixing upward surface portion 33 of the upright portion 12, it is not necessary to provide the fixing concave portion 34 in the box body 35. As a result, since it is not necessary to secure a portion for providing the fixed recess 34 in the box body 35, the volume of the box body 35 is not affected, and the box body 35 can be prevented from becoming large.

Next, the operation of the box-body fixing structure 30 will be described with reference to FIGS.
It will be described based on. As shown in FIG. 6, the side surface 36 of the box body 35 is brought into contact with the upright surface portion 12, and the engagement protrusion 18 is arranged above the engagement hole 14 of the upward surface portion 11.

Next, by lowering the box body 35 by the engaging stroke L1, the engaging projection 18 is inserted into the engaging hole 14 of the upward surface portion 11 and engaged as shown in FIG. At this time,
The fixing protrusion 38 is engaged with the fixing concave portion 34 of the fixing upward surface portion 33. In this way, since the box body 35 can be attached at the two portions 18, 38, the vibration resistance when the box body 35 is attached to the upright portion 12 can be improved.

Next, the third to eighth embodiments will be described with reference to FIGS. 7 to 12. As shown in FIG.
The box body fixing structure 40 of the third embodiment is provided in the upward surface portion 11 and protrudes in a direction substantially orthogonal to the upward surface portion 11 and in the engaging hole 44 of the engaging arm portion 17. The other configurations are the same as those in the first and second embodiments, except that the engaging protrusions 48 that engage with each other are provided. According to the third embodiment, the same effects as those of the first and second embodiments can be obtained.

As shown in FIG. 8, a box body fixing structure 50 of the fourth embodiment is provided on a fixed arm portion 51 extending from an upright portion toward a side surface 56 of the box body 55, and on the fixed arm portion 51. And a fixing hole 53 provided on the side surface 56, into which the fixing arm portion 51 and the fixing protrusion 52 can be inserted,
The fixing hole 53 is an elongated hole extending parallel to the engaging direction of the engaging projection 18, and has a longitudinal dimension L2 corresponding to the engaging stroke L1 of the engaging projection 18, and the engaging projection 18 When the engagement with the engagement hole 14 is completed, the fixing projection 52
54 is configured to be engageable.

The fixing structure 50 for the box body has the above-mentioned first structure.
The other configuration is the same as that of the first embodiment except that it is different from the first embodiment, and the same effect as that of the first embodiment can be obtained.

As shown in FIG. 9, the box fixing structure 60 of the fifth embodiment has a fixing concave portion provided on the downward surface 67 of the box 65.
68 and a fixing protrusion 62 provided on the fixing upward surface portion 61 of the upright portion 12 and engageable with the fixing recess 68, and the fixing recess 67 has a depth corresponding to the engaging stroke of the engaging protrusion 62. It has a dimension W1 and is configured such that the fixing protrusion 62 can be engaged with the fixing recess 68 when the engaging protrusion 18 is completely engaged with the engaging hole 14.

The box-body fixing structure 60 has the above-mentioned second structure.
The other configuration is the same as that of the second embodiment except that the second embodiment is different, and the same effect as that of the second embodiment can be obtained.

As shown in FIG. 10, the box body fixing structure 70 of the sixth embodiment is provided in the fixing arm portion 20 in a direction intersecting (more specifically, in the engaging direction of the engaging protrusion 18). A fixing protrusion 71 projecting in a direction orthogonal to each other) and a fixing hole 72 provided in the upright portion 12 into which the fixing arm 20 and the fixing protrusion 71 can be inserted.
Equipped with.

In the box-like fixing structure 70, the fixing hole 72 is an elongated hole extending parallel to the engaging direction of the engaging projection 18, and the longitudinal direction corresponding to the engaging stroke L1 of the engaging projection 18 is provided. It has a directional dimension L2, and when the engagement protrusion 18 is completely engaged with the engagement hole 14, the fixing protrusion 71 can be engaged with the opening edge 73 of the fixing hole 72.

The box-body fixing structure 70 has the above-described structure first.
The other configuration is the same as that of the first embodiment except that it is different from the first embodiment, and the same effect as that of the first embodiment can be obtained.

As shown in FIG. 11, the box body fixing structure 80 of the seventh embodiment is provided in the fixing arm portion 51 in a direction intersecting (more specifically, in the engaging direction of the engaging protrusion 18). A fixing projection 82 projecting in a direction orthogonal to each other) and a fixing hole 83 provided in the side surface 56 into which the fixing arm 51 and the fixing projection 82 can be inserted, and the fixing hole 83 engages with the engaging projection 18. It is a long hole extending parallel to the direction and has a longitudinal dimension L2 corresponding to the engaging stroke L1 of the engaging protrusion 18, and the engaging protrusion 18 is fixed to the engaging hole 14 when the engagement is completed. Projection 82 is fixed hole 83
Is configured to be engageable with the opening edge portion 84 of the.

The box fixing structure 80 has the above-mentioned fourth structure.
The other configuration is the same as that of the fourth embodiment except that the fourth embodiment is different, and the same effect as that of the fourth embodiment can be obtained.

As shown in FIG. 12, the box fixing structure 90 of the eighth embodiment has a fixing upward surface portion 93 protruding from the upright surface portion 12.
The fixing concave portion 94 provided on the
The depth dimension W2 corresponding to the engagement stroke L1 of 18 is provided, and the fixing protrusion 38 is configured to be engageable with the fixing recess 94 when the engaging protrusion 18 is completely engaged with the engaging hole 14.

The box-body fixing structure 90 has the above-described second structure.
The other configuration is the same as that of the second embodiment except that the second embodiment is different, and the same effect as that of the second embodiment can be obtained.

The present invention is not limited to each of the above-described embodiments, but can be appropriately modified and improved, and the upward face portion, the upright face portion, and the fixed portion illustrated in each of the above-described embodiments can be modified. Hole, opening edge, box, engaging arm, engaging protrusion,
The material, shape, size, form, number, location, thickness and the like of the fixed arm portion, the fixed protrusion, the fixing upward surface portion, the fixed concave portion, the fixed protrusion and the like are arbitrary as long as the present invention can be achieved. ,
Not limited.

[0043]

As described above, according to the present invention, as described in claim 1, as the member for fixing the box body, the two members, that is, the engaging projection and the fixing projection are provided. The fixing protrusion is configured to engage with the opening edge portion of the fixing hole when the engagement is completed.

Thus, the box body can be attached to the upward surface portion via the engaging projection and also to the upright surface portion via the fixing projection. In this way, since the box body can be attached at two parts, the vibration resistance of the attachment portion for attaching the box body to the upright portion can be improved.

Further, as described in claim 2, by providing the fixing hole in the upright portion, it is not necessary to provide the fixing hole in the box body. As a result, it is not necessary to secure a portion for providing the fixing hole in the box body, so that the volume of the box body is not affected and the box body is prevented from becoming large.

Further, as described in claim 3, the fixed arm portion has a sandwiching portion, and the sandwiching portion and the stationary projection are made to correspond to each other in a thickness dimension of the upright portion, so that the sandwiching portion is held. The vertical surface can be sandwiched between and the fixing protrusion. As a result, rattling of the box body can be prevented, and the vibration resistance of the mounting portion of the box body can be further enhanced.

Further, as described in claim 4, as a member for fixing the box body, there are provided the engaging projection and the fixing projection.
One member is provided, and the fixing protrusion is configured to engage with the fixing recess when the engagement protrusion is completed. Thus, the box body can be attached to the upward surface portion via the engaging projection, and can be attached to the upright surface portion via the fixing projection. In this way, since the box body can be attached at two parts, the vibration resistance of the attachment portion for attaching the box body to the upright portion can be improved.

Further, as described in claim 5, since the fixing concave portion is provided in the fixing upward surface portion of the upright portion, it is not necessary to provide the fixing concave portion in the box body. As a result, it is not necessary to secure a portion for providing the fixed concave portion in the box body, so that the volume of the box body is not affected and the box body is prevented from becoming large.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a box body fixing structure according to the present invention.

FIG. 2 is a cross-sectional view showing a state in which the box body of the first embodiment according to the present invention is fixed.

FIG. 3 is a cross-sectional view showing a state before fixing the box body of the first embodiment according to the present invention.

FIG. 4 is a perspective view showing a second embodiment of the box fixing structure according to the present invention.

FIG. 5 is a sectional view showing a state in which a box body of a second embodiment according to the present invention is fixed.

FIG. 6 is a sectional view showing a state before fixing the box body of the second embodiment according to the present invention.

FIG. 7 is a sectional view showing a third embodiment of the box fixing structure according to the present invention.

FIG. 8 is a sectional view showing a fourth embodiment of a box body fixing structure according to the present invention.

FIG. 9 is a cross-sectional view showing a fifth embodiment of the box body fixing structure according to the present invention.

FIG. 10 is a perspective view showing a sixth embodiment of a box body fixing structure according to the present invention.

FIG. 11 is a perspective view showing a seventh embodiment of the box body fixing structure according to the present invention.

FIG. 12 is a sectional view showing an eighth embodiment of a box body fixing structure according to the present invention.

[Explanation of symbols]

10, 30, 40, 50, 60, 70, 80, 90 Box fixing structure 11 Upward surface 12 Elevation 13, 53, 72, 83 fixing holes 13A, 54, 73, 84 Opening edge 15, 35 boxes 16, 36 sides 17 Engaging arm 18,48 engaging protrusion 20,51 Fixed arm 21, 52, 71, 82 Fixed protrusion 33, 61, 93 upward facing surface for fixing 34, 68, 94 Fixed recess 37 Downside 38, 62 Fixed protrusion L1 engagement stroke L2 longitudinal dimension W2 depth dimension

Claims (5)

[Claims] 1. An engagement arm portion extending from the box body to the upward surface portion for fixing a side surface of the box body to an upright surface portion that is adjacent to the upward surface portion and continues downward. It is provided on one of the facing surface portion and the engaging arm portion and projects in a direction substantially orthogonal to the upward facing surface portion, and with respect to the other of the upward facing surface portion and the engaging arm portion. An engaging projection that engages with each other, a fixed arm portion that extends from one of the upright surface portion and the side surface toward the other, a fixed projection that is provided on the fixed arm portion and that protrudes in an intersecting direction, A fixing hole, which is provided on the other of the upright surface portion and the side surface and into which the fixing arm portion can be inserted, is provided, and the fixing hole is an elongated hole extending parallel to an engaging direction of the engaging protrusion. And the longitudinal dimension corresponding to the engaging stroke of the engaging protrusion. Has, and fixing structure of the box, wherein the fixing protrusion the engaging projections at the completion engagement is engageable with the opening edge of the fixing hole. 2. The fixing structure for a box according to claim 1, wherein the fixing hole is provided in the upright portion. 3. The holding arm portion has a holding portion provided in parallel with the fixing protrusion, and the distance between the fixing protrusion and the holding portion corresponds to the wall thickness of the upright portion. The fixing structure for a box body according to claim 1. 4. An engagement arm portion extending from the box body to the upward surface portion for fixing a side surface of the box body to an upright surface portion which is adjacent to the upward surface portion and continues downward. It is provided on one of the facing surface portion and the engaging arm portion and projects in a direction substantially orthogonal to the upward facing surface portion, and with respect to the other of the upward facing surface portion and the engaging arm portion. Engaging projections that engage with each other, a fixing concave portion provided on one of the fixing upward surface portion protruding from the upright surface portion and the box downward surface, and the fixing upward surface portion. And a fixing protrusion provided on the other of the downward surface and engageable with the fixing recess, wherein the fixing recess has a depth dimension corresponding to an engaging stroke of the engaging protrusion, In addition, the fixing protrusion can be engaged with the fixing recess when the engaging protrusion is completely engaged. Fixed structure of the box to be. 5. The fixing structure for a box body according to claim 4, wherein the fixing recess is provided in the fixing upward surface portion.