JPH05161233A - Electric connection box - Google Patents

Abstract

PURPOSE:To provide an electric connection box for motor vehicle having an attaching portion with the attaching angle that can be freely set. CONSTITUTION:At the side edge portions of a lower case 1 and an upper case 2 forming an outer shell of an electric connection box, a lower mounting portion 3 and an upper mounting portion 4 linked by respective thin flexible portions 3a and 4a are projected out oppositely each other; an opposite surface 3b of the lower mounting portion and an opposite surface 4b of the upper mounting portion are touched together and the flexible portions 3a and 4a are bent. By inserting and fixing a coupling projection 3c of the lower mounting portion 3 to a coupling long hole 4c of the upper mounting portion 4, both mounting portions 3 and 4 can be slanted and fixed with the predetermined angles relative to the lower case 1 and upper case 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connection box which is used by being fixed to a partition plate portion, that is, a dash panel portion, which cuts off between the engine room and the interior of an automobile, and the installation angle of which can be freely set. It is a thing. Here, the electrical connection box refers to a fuse box, a relay box, a connector box, or the like, which is provided with a connector or a terminal for connecting with external electrical components such as various loads, switches, and connectors. , Used to simplify and simplify electric wiring of automobiles.

[0002]

2. Description of the Related Art A conventional electrical junction box, as shown in FIG. 10, is composed of an upper case a and a lower case b, and mounting portions for mounting the side edges of the electrical junction box to an external structure such as a vehicle. c, d and e, f are provided by integral molding.

When mounting the electric junction box on a vehicle, it is necessary to mount it on the right side or the left side of the vehicle depending on the structure of the vehicle. For example, when mounting on the right side of the vehicle, FIG.
As shown in the plan view of Fig. 12, the mounting parts c and d must be tilted with respect to the bottom surface b _{1 of the} lower case, and when mounting on the left side, the mounting parts e and f should be tilted as shown in Fig. 12. There must be. Therefore, the molding dies for the upper case a and the lower case b must be prepared for the right side and the left side, and a type corresponding to the mounting angle is required, which results in a huge cost of die manufacturing. have.

Further, as shown in FIG. 13, the upper case a is formed by separately forming the mounting portions g and g'having different mounting angles.
Also, an electric junction box is proposed, which is adapted to be coupled to the coupling portion h of the lower case b, but in this case as well, the mounting portions g and g '
It is necessary to prepare a large number of shapes according to the type of vehicle, and there is a problem that the cost of producing the mold becomes large.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides an electric junction box in which the angle of a mounting portion for mounting to an external structure such as a vehicle can be freely set. The task is to do.

[0006]

In order to achieve the above object, according to the present invention, the lower case and the upper case, which form the outer shell of the electrical junction box, are connected to the side edges by thin flexible portions. The lower mounting portion and the upper mounting portion are provided so as to face each other, and the facing surface of the lower mounting portion and the facing surface of the upper mounting portion are in contact with each other and fixed to each other. It is characterized in that it can be fixed at a predetermined angle.

Further, a coupling projection and a fixture insertion hole are provided on the facing surface of the lower mounting portion, and a coupling elongated hole and a fixture insertion hole into which the coupling projection is inserted are provided on the opposing surface of the upper mounting portion. Forming a contact between the opposing surfaces of the lower mounting portion and the opposing mounting portion of the upper mounting portion, and inserting the coupling projection into the coupling elongated hole to fix the same around the coupling elongated hole. Therefore, it is preferable that the lower case and the upper case can be fixed at a predetermined angle (claim 2).

[0008]

According to the present invention, since thin flexible portions are provided on the lower and upper mounting portions projecting from the side edges of the lower and upper cases of the electrical junction box, the external structure of a vehicle or the like is provided. Accordingly, the angle of the mounting portion can be freely set, and the mounting portion can be fixed at the set angle by coupling the lower mounting portion and the upper mounting portion.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an electrical junction box A showing an embodiment of the present invention.
FIG. The electric junction box A is composed of a lower case 1 and an upper case 2 formed of a synthetic resin material in a box shape, and a lower mounting portion connected from a side edge portion 1a of the lower case with a thin flexible portion 3a. 3 is provided in a protruding manner, and an upper mounting portion 4 connected from the side edge portion 2a of the upper case 2 with a thin flexible portion 4a corresponding to the position of the lower mounting portion 3 is provided.

Since the lower mounting portion 3 and the upper mounting portion 4 are connected to the side edge portions 1a and 2a of the lower case 1 and the upper case 2 respectively by thin flexible portions 3a and 4a, they are forcibly free. The lower case 1 and the upper case 2 can be bent at different angles.
The lower case 1 is provided with a locking projection 1b, and a locking tool 2b provided on the upper case 2 is locked so that the lower case 1 and the upper case 2 can be locked.

FIG. 2 is an enlarged perspective view of the lower mounting portion 3 and the upper mounting portion 4. The opposing surface 3b of the lower mounting portion 3 is provided with a pair of coupling projections 3c and a fixture insertion long hole 3d through which a bolt or the like is inserted when mounting on a vehicle or the like. In addition, on the facing surface 4b of the upper mounting portion 4, a coupling elongated hole 4c through which the coupling protrusion 3c of the lower mounting portion is inserted,
A fixture insertion circular hole 4d is provided.

Next, a process of connecting the lower mounting portion 3 and the upper mounting portion 4 will be described. FIG. 3 is a side view seen from a direction parallel to the side edge portion 1a of the lower case in which the lower mounting portion 3 is provided so as to cover the lower case 1 with the upper case 2 and to combine the lower mounting portion 3 with each other. It shows a state where the projection 3c is inserted into the coupling long hole 4c of the upper mounting portion 4 and the mutually facing surfaces 3b and 4b are in contact with each other. Then, as shown in FIG. 4, the portion 3c ₁ of the coupling protrusion 3c protruding from the upper mounting portion 4 is heated and melted to be fused with the periphery of the coupling long hole 4c, whereby the lower mounting portion 3 and the upper mounting portion 4c are attached. Join parts 4. FIG. 5 is a perspective view showing the lower mounting portion 3 and the upper mounting portion 4 in this coupled state.

Thus, the lower mounting portion 3 and the upper mounting portion 4 are
By connecting the two mounting portions 3 and 4 to each other to form a mounting portion B, a fixing tool such as a bolt is inserted through the fixing tool insertion circular hole 4d and fixed to an external structure such as a vehicle. Since the lower mounting portion 3 and the upper mounting portion 4 are fixed to each other via the coupling projection 3c, the facing surfaces 3b and 4b do not slip with each other and have thin flexible portions 3a and 4a. However, the integrated mounting portion B is fixed to the electric junction box A with appropriate rigidity, and can be reliably mounted to the external structure.

Next, a case in which the angle of the mounting portion B is set to a predetermined angle and fixed will be described with reference to FIGS. 6 to 8. First, as shown in FIG. 6, the flexibility of the flexible portions 3a and 4a is used so that the mounting surface 3f of the lower mounting portion 3 is fixed to the bottom wall 1b of the lower case at an angle t. , The lower mounting portion 3 and the upper mounting portion 4 at a predetermined angle t
Then, the facing surfaces 3b and 4b are brought into contact with each other. Then, as shown in FIG. 7, the upper mounting portion 4 of the coupling protrusion 3c is attached.
The portion 3c ₁ projecting from the above is melted by heating, and the long hole 4c for coupling is formed.
By being fused and fixed to the periphery of the mounting portion B ', the mounting portion B'having the angle t is formed. FIG. 8 is a perspective view of the mounting portion B ′ in this state. In order to hold the mounting portion B at the set angle, the upper mounting portion 4 is provided with the coupling elongated hole 4c, so that the coupling projection 3c is melted. The wearing position can be changed according to the set angle.

FIG. 9 shows a state in which the fixture insertion long hole 3d and the fixture insertion circular hole 4d are externally inserted into the bolt 5 fixed to the external structure C, and the nut 6 is tightened to fix the electric junction box A. FIG. As described above, since the lower fitting portion 3 is provided with the fixture insertion long hole 3d, it can be easily fixed to the external structure even if the angle of the fitting portion B is changed.

In addition to the above embodiment, the lower mounting portion 3
As a means for fixing the upper mounting portion 4 and the upper mounting portion 4, a coupling hole is provided in place of the coupling projection 3c of the lower mounting portion 3, and the coupling long hole 4c of the upper mounting portion 4 is mechanically secured by a rivet or a bolt. It may be fixed by tightening to. In addition, the facing surfaces 3b and 4b of the lower mounting portion 3 and the upper mounting portion 4 are formed in advance with projections and depressions so that they are joined to each other.
It is also possible to reliably prevent them from sliding on each other.

Thus, the lower mounting portion 3 and the upper mounting portion 4 are
As described above, since the facing surfaces 3b and 4b do not slide on each other, the mounting portion B'which is formed by being firmly attached to the electric connection box A has the thin flexible portions 3a and 4a. On the other hand, while maintaining a predetermined angle t, it is fixed with an appropriate rigidity and can be reliably attached to the external structure.

[0018]

According to the present invention, thin flexible portions are provided on the lower mounting portion and the upper mounting portion projecting from the side edges of the lower and upper cases of the electrical junction box and set to a predetermined angle. In this state, the lower mounting part and the upper mounting part are fixed together to form an integrated mounting part, so the angle of the mounting part can be freely adjusted according to the mounting position of the external structure such as the vehicle. Therefore, it is possible to provide an electric connection box that can handle various types of external structures having different attachment angles. Further, it is possible to integrally mold the lower case and the upper case including the mounting portion, and there is an advantage that productivity is remarkably improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a separated state of an upper case and a lower case of an electrical junction box showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a main part of the electric junction box of FIG.

FIG. 3 is a side view illustrating a step of connecting the lower mounting portion and the upper mounting portion of FIG.

FIG. 4 is a side view illustrating the next step of FIG.

FIG. 5 is a perspective view of FIG.

FIG. 6 is an explanatory diagram of a case where the lower mounting portion and the upper mounting portion of FIG. 2 are tilted with respect to the electrical junction box and are fixed at an angle.

FIG. 7 is a side view illustrating the next step of FIG. 6;

FIG. 8 is a perspective view of FIG. 7.

9 is a cross-sectional view showing a state in which the electric junction box of FIG. 7 is fixed to an external structure.

FIG. 10 is a perspective view of a conventional electrical junction box.

11 is an explanatory diagram of a tilt of a mounting portion of the electric junction box of FIG.

12 is an explanatory diagram of a tilt of a mounting portion of the electrical junction box of FIG.

FIG. 13 is a perspective view of another conventional electric junction box.

[Explanation of symbols]

 A electrical junction box 1 lower case 1a side edge 2 upper case 2a side edge 3 lower mounting portion 3a flexible portion 3b facing surface 3c coupling protrusion 3d fixture insertion slot 4 upper mounting portion 4a flexible portion 4b facing Surface 4c Long hole for coupling 4d Fixing tool insertion circular hole

Claims (2)

[Claims] 1. A lower mounting portion and an upper mounting portion, which are connected to each other by thin flexible portions, are formed on the side edges of the lower case and the upper case, which form the outer shell of the electrical junction box, so as to face each other. And an electrical characteristic characterized in that the opposing surface of the lower mounting portion and the opposing surface of the upper mounting portion are brought into contact with each other and fixed to each other so that they can be fixed at a predetermined angle with respect to the lower case and the upper case. Connection box. 2. A coupling projection and a fixture insertion hole are provided on the facing surface of the lower mounting portion, and a coupling elongated hole and a fixture insertion hole into which the coupling projection is fitted are provided on the facing surface of the upper mounting portion. Forming a contact between the opposing surfaces of the lower mounting portion and the opposing mounting portion of the upper mounting portion, and inserting the coupling projection into the coupling elongated hole to fix the same around the coupling elongated hole. The electric junction box according to claim 1, wherein the electric junction box can be fixed to the lower case and the upper case at a predetermined angle.