JP2742175B2 - Structure mounting structure and mounting structure used in this structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an attachment structure for attaching two structures to an object to be attached, and to an attachment structure used in this attachment structure to attach the structure to the object to be attached. For example, an electric connection box composed of an under cover and a main cover as a structure is used to attach a mounting structure of a fixed structure to a vehicle as an object to be attached, and used to fix these under covers and the main cover to the vehicle. The present invention relates to a mounting structure.

[0002]

2. Description of the Related Art FIG. 8 shows a mounting structure of a structure described in Japanese Utility Model Laid-Open No. 3-104506. In the figure,
On one wall surface 3 of the structure 1, a square guide plate 5 having the same vertical dimension L1 and horizontal dimension L2 is integrally formed. Guide grooves 7a, 7 are provided between the guide plate 5 and the one wall surface 3.
b, 7c and 7d are formed. A rectangular locking hole 9 is formed in the center of the guide plate 5.

On the other hand, a pair of L-shaped mounting rails 15 are provided on one wall 13 of the structure 11 so as to face each other. On the inner sides of the mounting rails 15 facing each other, grooves 17, 17 into which the opposing sides 5a, 5c or 5b, 5d of the guide plate 5 are fitted are formed, and the upper side is a stopper. It is closed by walls 19, 19. A recess 21 is formed between the mounting rails 15 along the mounting rails 15.
From the lower end of the concave portion 21, a flexible locking piece 23 projecting toward the upper end and having a free end is protruded. A locking projection 25 that fits and locks into the locking hole 9 protrudes from an intermediate portion of the flexible locking piece 23.

[0004] In order to mount the structure 1 on the structure 11, the opposing sides 5 a, 5 c of the guide plate 5 are inserted into the grooves 17, 17 of the pair of mounting rails 15, 15. When the guide plate 5 is inserted into the mounting rails 15, 15, the flexible locking piece 23 bends and retreats into the concave portion 21, and when the guide plate 5 is further inserted until it comes into contact with the stopper walls 19, 19, it is possible. The locking projection 25 is inserted and locked into the locking hole 9 by the elastic force of the flexible locking piece 23. In this state, the guide plate 5 is attached to the mounting rail 1 by the elastic force of the flexible locking piece 23.
5 and 15 are pressed.

[0005] Further, in this structure mounting structure, the structure 1 can be mounted to the structure 11 in different directions. That is, the other side portions 5b, 5d of the guide plate 5 are inserted between the mounting rails 15, 15, and the locking projections 25 are inserted and locked in the locking holes 9.

[0006]

However, in the mounting structure of the above-mentioned structure, the guide plate 5 is formed on one structure 1 and the flexible locking piece 11 is formed on the other structure 2, so that the structure is mounted. The structure becomes complicated, and the mold for forming the structures 1 and 11 also becomes complicated. Therefore, there is a problem that the manufacturing cost of the structures 1 and 11 increases.

Further, when the locking projections 25 are not fitted in the locking holes 9 even when the both side portions 5a, 5c or 5b, 5d of the guide plate 5 are inserted into the mounting rails 15, 15, the structure 1 or the structure 11, the guide plate 5 is pulled out from between the mounting rails 15, 15, and the structure 1, 1
There is a risk that ones will separate.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mounting structure for a structure having a simple structure, which does not separate from each other during assembly, and a mounting structure used for this mounting structure. .

[0009]

In order to achieve the above object, according to the first aspect of the present invention, the connecting portion of the mounting structure (35) is connected to the supporting portion (37) formed on one of the structures (29). (57) can be selectively inserted from four directions, and the support portion (3) can be inserted in a state where the two structures (29) and (31) are assembled.
7) a contact-preventing portion (49) that comes into contact with the connecting portion (57) inserted and fitted to prevent the connecting portion (57) from coming off from the support portion (37); It is characterized by being formed in.

In the invention according to claim 2, the connecting portion (5
7) Guide rails (3) that can be inserted and fitted from four directions
9) and locking grooves (41a, 41b) formed in the inner wall of the guide rail (39) are formed in the support portion (37),
It is characterized in that projections (69) locked in the locking grooves (41a, 41b) are provided at at least two diagonal positions of the connecting portion (57).

[0011]

According to the first aspect of the present invention, two structures (2
9) When (31) is assembled integrally, the contact-preventing portion (49) of the other structure (31) is connected to the connecting portion of the mounting structure (55) inserted and fitted into the support portion 37. The contact portion prevents the connection portion (57) from coming off from the support portion (37).
In addition, the connecting portion (57) of the mounting structure is a supporting portion (37).
Can be inserted from four directions.

According to the second aspect of the present invention, the connecting portion (57) is inserted into the guide rail (39) and the locking grooves (41a, 41b) provided on the inner wall of the guide rail (39).
Insert the protrusion into the. Then, the connecting portion (57) is completely inserted and fitted into the guide rail (39). In this case, the connecting portion (57) can be inserted into the support portion (37) from four directions, but since the projections (69a, 69b) are formed at at least two places at diagonal positions, the connecting portions (57) are formed in four directions. Regardless of which direction the connecting portion (57) is inserted into the support portion (37), immediately after the insertion portion (57) is inserted into the support portion (37), the connecting portion (57) is inserted into one of the locking grooves (41a, 41b). Projection (69a, 6
9b) is inserted and temporarily locked. Therefore, since the connecting portion (57) is temporarily locked to the guide rail (39), the connecting portion (5) is inserted into the guide rail (39) during the insertion operation.
7) does not escape.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a structure for mounting a structure according to the present invention and a structure for mounting used in this structure will be described below. FIGS. 1 to 3 show a part of an electric connection box 33 composed of an under cover 29 and a main cover 31 which are structures, and a cassette bracket (a mounting bracket) for fixing the electric connection box 33 to a vehicle (object to be mounted). Mounting structure) 35
And In these figures, a support portion 37 to which the cassette bracket 35 is fixed is formed at one side end of the under cover 29 as one of the structures. The support portion 37 has a bottom portion 39 a having an L-shaped cross section, and both side portions 39.
guide rail 39 consisting of b and 39b is the main cover 3
An opening 40 is formed on the side of the abutting surface 29a with the first surface,
It is formed in a U-shape in plan view.

On the inner side of the guide rail 39, a slide groove 42 is formed over the entire inner periphery, and side portions 39b, 39b
Lock grooves 41a, 41a are formed on the inner wall of the slide groove 42 from the butting surface 29a side of the main cover 31 toward the rear.
b are formed respectively. These locking grooves 41a,
Prevention walls 44a and 44b are formed on the opening 40 side of 41b, respectively, and the bottoms 39a and 39a side are respectively opened (see FIG. 6).

The butting surface 29a of the support portion 37 is extended to form a lock flat plate portion 43, and a pair of locking projections 45, 45 are formed on the upper end of the lock flat plate portion 43.
Is protruding. The lock flat plate portion 43 is overlaid on the lock flat plate portion 47 protruding from the butting surface 31a of the main cover 31 in a state where the under cover 29 is butted against the main cover 31 as the other structure.

On the lower surface side of the locking flat plate portion 47 of the main cover 31, which is the other structure, locking portions 51, 51 for locking the locking projections 45, 45 are formed. The end surface of the lock flat plate portion 47 is a retaining contact portion 49 that contacts the main cover 31 and the under cover 29 so as to close the opening 40 of the support portion 37 in a state where the main cover 31 and the under cover 29 are assembled. The retaining contact portion 49 is connected to a connecting portion 57 of the cassette bracket 35 inserted into a guide rail 39 described later.
To prevent the omission.

The cassette bracket 35 includes an engagement portion 53 with which an L-shaped vehicle-side bracket 55 (one end of which is fixed to the vehicle) is engaged, and a slide groove of the guide rail 39. And a connecting portion 57 that is inserted and fitted into the connector 42. The engaging portion 53 is hollow, and the opening edge of one of the opening portions 61 is widened outward, and serves as an insertion port for the vehicle-side bracket 55. The inside of the opening 61 has an insertion portion 59 into which the vehicle-side bracket 55 is inserted.
Are formed. In the insertion portion 59, a flexible lock arm 63 having a locking projection 63a is formed. The locking projection 63a is locked in a locking hole 55a of the vehicle-side bracket 55 inserted into the insertion portion 61. The distal end side (free end side) of the flexible lock arm 63 is
3 to protrude into the concave portion 65 formed on the outside and be exposed to the outside, and forcibly bend the flexible lock arm 63 when the engagement state of the vehicle side bracket 55 with the engagement portion 53 is released. Pressing portion 63b.

The connecting portion 57 is formed in a flat plate shape and is integrally formed on the lower surface side of the engaging portion 65 via a neck portion 67, and has a vertical dimension L3.
And the horizontal dimension L4 are equal. The vertical dimension L3 and the horizontal dimension L4 are equal to the vertical dimension L5 of the guide rail 39.
, Is set slightly smaller than the lateral dimension L6 (see FIG. 2) so that the connecting portion 57 can be inserted and fitted to the guide rail 39. In addition, since the connecting portion 57 is formed in a square shape, the connecting portion 57 can be inserted into the guide rail 39 from four directions as shown in FIGS. Also,
Protrusions 69a and 69b that are inserted and locked into the locking grooves 41a and 41b provided on the inner wall of the guide rail 39 are provided on the connecting portion 57 at diagonal positions from the surface on the side of the engaging portion 53, respectively. I have. By providing the protrusions 69a and 69b at diagonal positions, the protrusions 69a and 69b are located on both sides of the rectangular connecting portion 57 and in front and rear, respectively, and the connecting portion 5
No matter which direction the 7 is inserted and fitted into the slide groove 42,
Immediately after insertion, a locking projection 69 is formed on one of the locking grooves 41a and 41b.
a, 69b is inserted and locked to the retaining wall 44a or 44b.

When the electric junction box 33 is fixed to a vehicle, first, the connecting portion 57 is connected to the side portion 39b of the guide rail 39,
39b is inserted into the slide groove 42, the projection 69a formed on the connecting portion 57 is inserted and fitted into the locking groove 41a, and is engaged with the retaining wall 44a to be temporarily locked. From this state, the connecting portion 57 is further moved along the slide groove 42.
When the connecting portion 57 is completely inserted into the guide rail 39, the projection 69b is also inserted into the locking groove 41b, and
4b.

Then, the under cover 29 and the main cover 31 are abutted against each other, and the opening 4 of the guide rail 39 is opened.
0 is closed by the contact stopper portion 49, and the locking protrusions 45, 45 provided on the under cover 29 are locked to the locking protrusions 51, 51 of the main cover 31. Thus, the cassette bracket 35 can be fixed to the under cover 29.

Next, the vehicle side bracket 55 is
The locking projection 63 a of the flexible lock arm 63 is locked in the locking hole 55, and is fixed to the cassette bracket 35. Then, the vehicle-side bracket 55
Is fixed to a vehicle (not shown), and one side of the electric connection box 33 is fixed to the vehicle. Next, a mounting bracket (not shown) on the other side of the electric connection box 33 is fixed to the vehicle with bolts or the like. Thereby, the electric connection box 33 can be fixed to the vehicle.

Here, when the electric connection box 33 is mounted at a different position on the vehicle, for example, when the electric connection box 33 is mounted on a left-hand drive vehicle or a vehicle having a different engine room shape, the vehicle is mounted on the vehicle. The mounting position of the side bracket 55 in the vehicle is different, and the relative position of the vehicle side bracket 55 to the electric connection box 33 is different. In this case, FIG.
(B), as shown in FIGS. 7A and 7B, the position of the cassette bracket 35 is changed by changing the direction in which the cassette bracket 35 is inserted into the guide rail 39.

That is, as shown in FIG. 6B, the connecting portion 57 is inserted into the guide rail 39 from a direction shifted 90 ° counterclockwise with respect to the position of the cassette bracket 35 shown in FIG. However, immediately after the insertion, the protrusion 69a is inserted into the one locking groove 41b of the guide rail 39, and the retaining wall 4
4b. Also, even if the connecting portion 57 is inserted into the guide rail 39 from a direction shifted by 90 ° from the position of the cassette bracket 35 shown in FIG. 6B as shown in FIG. 69b is inserted into the locking groove 41a and is temporarily locked to the retaining wall 44a. Further, FIG.
When the connecting portion 57 of the cassette bracket 35 is inserted into the guide rail 39 at a position shifted by 90 ° from the state shown in FIG. 7A, the insertion of the connecting portion 57 into the guide rail 39 as shown in FIG. Immediately thereafter, the projection 69b is inserted into the locking groove 41b, and is temporarily locked on the retaining wall 44b.

In the above embodiment, the upper protrusions 69a and 69b are provided at diagonal positions of the four corners of the connecting portion 57. However, the protrusion 69 may be provided on the entire corner.

In the above-described embodiment, the example in which the mounting structure of the present invention is applied to the structure in which the cassette bracket 35 as the mounting structure is mounted on the under cover 29 is shown. However, the present invention is not limited to this. The present invention can be applied to the mounting structure.

In the above embodiment, the projections 69a, 6a
9b may be made flexible so as to be elastically locked to the retaining walls 44a, 44b.

[0027]

As described above, in the structure for mounting a structure according to the present invention and the structure for mounting used in this structure, the structure for mounting is attached to the support portion formed on one of the structures from four directions. Since the contact-preventing portion that selectively inserts and that comes into contact with the connecting portion inserted and fitted into the supporting portion to prevent the connecting portion from coming off from the supporting portion is formed on the other structure, the mounting target body is provided. The structure for attaching the structure to the device is simplified, and the structure can be easily attached.

The connecting portion is selectively inserted from four directions.
The support portion is formed by a guide rail that can be fitted and a locking groove formed on an inner wall of the guide rail, and projections that are locked by the groove portion are provided at at least two diagonal positions of the connecting portion. Therefore, the structures do not separate from each other during the assembly.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a part of an electric junction box and a cassette bracket according to an embodiment of the present invention.

FIG. 2 is a plan view showing a support.

FIG. 3 is a cross-sectional view taken along the line II-II of FIG.

FIG. 4 is a front view of the cassette bracket as viewed from a direction P in FIG. 1;

FIG. 5 is a rear view showing the cassette bracket.

FIG. 6 is a plan view showing a state in which the cassette bracket is inserted into the guide rail, and FIG. 6A is a plan view showing a state in which the flexible lock arm is inserted into the guide rail with the flexible lock arm positioned on the opposite side to the opening; (B) is a plan view showing a state where the cassette bracket shown in (a) is inserted into the guide rail while being rotated 90 degrees counterclockwise.

7A is a plan view showing a state in which the cassette bracket is inserted into the guide rail, and FIG. 7A is a plan view showing a state in which the cassette bracket shown in FIG. And (b) shows FIG.
It is a top view showing the state where a cassette bracket shown in (a) is inserted in a guide rail in the state where it turned 90 degrees counterclockwise.

FIG. 8 is a perspective view showing a conventional structure mounting structure.

[Explanation of symbols]

 29 Under Cover (Structure) 31 Main Cover (Structure) 33 Electric Connection Box 35 Cassette Bracket (Structure for Mounting) 37 Support 39 Guide Rails 41a, 41b Lock Grooves 44a, 44b Stop Wall 53 Engagement 55 Vehicle Side bracket (mounting object side support member) 57 Connecting part 69 Projection

Claims (2)

(57) [Claims] 1. A mounting member-side support member (55) fixed to a mounting object to which two structures (29) and (31) are mounted, and an engagement member engaged with the mounting object-side support member (55). Joint (53), two structures (29), (31)
The two structures are attached to the object to be mounted via a mounting structure (35) comprising a connecting portion (57) inserted and fitted into a supporting portion (37) formed on one of the two. (2
9) In the mounting structure of the structure for fixing (31),
The connecting portion (57) of the mounting structure (35) can be selectively inserted from four directions into the support portion (37) formed on the one structure (29), and the two structures (29) ,
In a state where (31) is assembled, the connecting portion (57) inserted into and fitted to the supporting portion (37) is brought into contact with the connecting portion (57) to prevent the connecting portion (57) from coming off from the supporting portion (37). The contact stopper (49) is connected to the other structure (main cover 3).
An attachment structure for a structure, which is formed in 1). 2. An engaging portion (53) that engages with an attachment-object-side support member (55) fixed to an attachment object to which the two structures (29) and (31) are attached, and the two structures. (29) A mounting structure (35) comprising a connecting portion (57) slidably inserted and fitted into a supporting portion (37) formed on one of the (31) and (31).
A guide rail (39) into which the connecting portion (57) can be selectively inserted and fitted from four directions;
9) and the locking grooves (41a, 41b) formed on the inner wall are formed in the support portion (37), and the locking grooves (41a, 41) are formed.
A mounting structure, wherein projections (69a, 69b) locked to b) are provided at at least two diagonal positions of the connecting portion (57).