JPH04121323U - electrical junction box - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an electrical junction box with excellent waterproofness and productivity. [Structure] A liquid reservoir recess 3 is provided at the bottom of a sealing material filling groove 2 provided on the inner circumferential surface of the opening edge of a lid 1 constituting an electrical connection box to prevent overfilling with adhesive liquid sealing material. The overfilled sealing material is absorbed by the liquid reservoir recess 3 to make the surface height of the sealing material uniform, ensuring waterproofness and improving productivity. [Effects] An electrical connection box with excellent waterproofness can be obtained by an extremely simple operation of automatically filling the adhesive liquid sealing material into the sealing material filling groove 2, and productivity is significantly improved.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to an electrical connection box used for wiring in automobiles, etc.

0002

[Conventional technology]

A conventional electrical connection box used for wiring inside a car, etc. has a lid 10 as shown in FIG. A packing 12 made of rubber or synthetic resin is fitted into a groove 11 provided on the inner peripheral surface of the opening edge. The electrical junction box was made waterproof by wearing the same cloth.

0003

[Problem that the idea aims to solve]

However, in the electrical connection box described above, the Do not manually fit the packing 12 made of rubber or synthetic resin into the girder groove 11. There was a problem in that productivity was extremely low because of the need to do so.

0004 As a means to solve the above problem, the groove 11 provided on the inner circumferential surface of the opening edge of the lid body 10 is It is considered to automatically fill adhesive liquid sealant to improve productivity. However, filling the groove 11 provided on the inner wall surface of the opening edge of the lid body 10 with liquid sealant When the liquid sealant is overfilled, the filling speed is slow especially at each corner. Also, the liquid sealing material adhering to the inner peripheral surface of the groove 11 may flow into the groove 11. The problem is that the surface height of the liquid sealant at the corners becomes higher and the waterproofness decreases. A problem arises.

[0005] This invention was created in view of the above problems, and is an electrical connection with excellent productivity and waterproofness. The purpose is to provide a continuation box.

[0006]

[Means to solve the problem]

In order to solve the above problems, this invention has a sealing material installed on the inner peripheral surface of the opening edge of the lid body. A liquid reservoir recess is provided on the bottom of the filling groove to prevent overfilling of the liquid sealant for electrical connection. It is made up of a box.

[0007]

[Effect]

Adhesive liquid seal is contained in the sealant filling groove provided on the inner peripheral surface of the opening edge of the lid. material is filled. The liquid reservoir recess provided at the bottom of the sealing material filling groove is inside the sealing material filling groove. It absorbs the overfilled sealant and makes the surface height of the sealant uniform.

[0008]

【Example】

Embodiments of the present invention will be described below with reference to the drawings. Figure 1 shows the lid that makes up the electrical connection box. A perspective view showing an embodiment of the present invention, showing the body from the back side, Figure 2 is an enlarged view of the main parts of Figure 1. In the figure, 1 is a lid body, and 2 is a seal formed on the inner peripheral surface of the opening edge of the lid body 1. 3 is a liquid reservoir recess provided at the bottom of each corner of the sealing material filling groove 2. It is.

[0009] Each corner of the sealing material filling groove 2 formed on the inner peripheral surface of the opening edge of the lid body 1 as described above. By providing a liquid reservoir recess 3 on the bottom surface, the sealant filling groove 2 is automatically filled with adhesive. When filling liquid sealant with adhesive properties, overfilled sealant and The sealing material adhering to the inner wall surface of the groove is absorbed by the liquid reservoir recess 3, as shown in Fig. 3. The surface of the sea urchin sealing material 5 has a uniform height over the entire surface.

0010 Therefore, it is possible to control the injection speed at each corner or adjust the filling amount of sealant. There is no need to control the process, and the sealant is simply filled into the sealant filling groove 2 automatically. An electrical junction box with excellent waterproofness can be obtained with an extremely simple process, and productivity is significantly increased. Improve yourself.

[0011] The shape of the liquid reservoir recess 3 is as shown in FIG. -The center of the bottom is sloped inward to the lid so that the liquid sealant flows into the sloped surface. The shape can be set as appropriate, such as forming the bottom of the corner part into a tapered shape that flows toward the center. In addition, the liquid reservoir recess 3 is not limited to the bottom of the corner part, but can be changed as needed. Of course, it may be provided at an appropriate location depending on the situation. Furthermore, as shown in Figure 4, If the inner wall surface 4 of the sealing material filling groove 2 is formed into a tapered shape that opens outward, The sealing material attached to the groove inner wall surface 4 flows into the groove 2, and the sealing material surface in this area is It is possible to prevent swelling even more effectively.

0012

[Effect of the idea]

According to the present invention, as described above, the sealing material filling groove is provided on the inner peripheral surface of the opening edge of the lid body 1. By providing a liquid reservoir recess 3 on the bottom of the sealing material filling groove 2, the adhesive is automatically filled into the sealing material filling groove 2. Excellent waterproofing with an extremely simple process of filling with adhesive liquid sealing material. There is an excellent advantage that an electrical connection box is obtained and productivity is significantly improved.

[0013]

[Brief explanation of drawings]

[Figure 1] Perspective view of the lid that makes up the electrical connection box, viewed from the back

[Figure 2] Enlarged perspective view of main parts in Figure 1

[Figure 3] Explanatory diagram showing the filling state of sealing material

[Figure 4] Explanatory diagram showing the filling state of sealing material

[Figure 5] A perspective view of the lid that constitutes a conventional electrical connection box, viewed from the back.

[Explanation of symbols]

1 Lid body 2 Seal material filling groove 3 Liquid reservoir recess

Claims (1)

[Scope of utility model registration request] 1. An electrical connection box characterized in that a liquid reservoir recess for preventing overfilling of liquid sealant is provided at the bottom of a sealant filling groove provided on the inner circumferential surface of the opening edge of the lid.